# Richard Diamond

Heard 1949–1953. 99 episodes.

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## Sets

- Richard Diamond (Old Time Radio): the Internet Archive states no licence or rights for it. Source: https://archive.org/details/RichardDiamond530802150LtLevinsonKidnappedRepeat501018

## Episodes, in broadcast order

1. [The Barton Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a964adc1aff7), aired 1 May 1949 (27 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_05_01_002_The_Barton_Case.mp3
1. [Ralph Chase Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/cccff3857751), aired 15 May 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_05_15_004_Ralph_Chase_Case.mp3
1. [The Stolen Purse](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/42038b2bc82e), aired 22 May 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_05_22_005_The_Stolen_Purse.mp3
1. [The Betty Moran Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/ae82cfd6a829), aired 29 May 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_05_29_006_The_Betty_Moran_Case.mp3
1. [Fred Sears Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/087cc88e8499), aired 19 June 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_06_19_009_Fred_Sears_Murder_Case.mp3
1. [The Tom Waxman Bombing Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/ca6ac330692f), aired 26 June 1949 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_06_26_010_The_Tom_Waxman_Bombing_Case.mp3
1. [The Bloody Hat Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/c029f64e230d), aired 2 July 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_07_02_011_The_Bloody_Hat_Case.mp3
1. [Charles Walsh, Bob Wells](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/2a398e52c260), aired 9 July 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_07_09_012_Charles_Walsh_Bob_Wells.mp3
1. [The Man Who Hated Women](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/7a66b1993ce0), aired 16 July 1949 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_07_16_013_The_Man_Who_Hated_Women.mp3
1. [The Martin Hyer Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/9f0604803e32), aired 23 July 1949 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_07_23_014_The_Martin_Hyer_Case.mp3
1. [The Lynn Knight Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/411ba771d6cf), aired 6 August 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_08_06_016_The_Lynn_Knight_Case.mp3
1. [The Jean Cooper Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/7e14a535c865), aired 20 August 1949 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_08_20_018_The_Jean_Cooper_Murder_Case.mp3
1. [The Eddie Garrett Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/e54c900c0d3e), aired 27 August 1949 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_08_27_019_The_Eddie_Garrett_Case.mp3
1. [The Harry Baker Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/3dbe9465b3ba), aired 3 September 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_09_03_020_The_Harry_Baker_Case.mp3
1. [The Van Dyke Seance Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a2c65b1efa49), aired 10 September 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_09_10_021_The_Van_Dyke_Seance_Case.mp3
1. [The Jerome J Jerome Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/33f5babc457f), aired 17 September 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_09_17_022_The_Jerome_J_Jerome_Case.mp3
1. [The 200,000 Dollar Bundle](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/9277d1a19d69), aired 24 September 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_09_24_023_The_200000_Dollar_Bundle.mp3
1. [Gibson Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/075edbc6a4ec), aired 8 October 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_10_08_024_Gibson_Murder_Case.mp3
1. [The Bogus Bills Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/d5aeab01d82b), aired 15 October 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_10_15_025_The_Bogus_Bills_Case.mp3
1. [Rene Bennet Protection Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/94b534be909f), aired 22 October 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_10_22_026_Rene_Bennet_Protection_Case.mp3
1. [Bill Kirby Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/fff0f10e4281), aired 29 October 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_10_29_027_Bill_Kirby_Murder_Case.mp3
1. [The Singing Critic](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/1b430f27132d), aired 5 November 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_11_05_028_The_Singing_Critic.mp3
1. [50,000 Dollar Diamond Heist](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b77ba29db5b5), aired 12 November 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_11_12_029_50000_Dollar_Diamond_Heist.mp3
1. [The Jacoby Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/31ac12cfd493), aired 19 November 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_11_19_030_The_Jacoby_Case.mp3
1. [William Carter Loses Memory](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/906498432708), aired 26 November 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_11_26_031_William_Carter_Loses_Memory.mp3
1. [The Ruby Idol Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/e50ce1ce9301), aired 3 December 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_12_03_032_The_Ruby_Idol_Case.mp3
1. [The House Of Mystery Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/9bb33e99438a), aired 10 December 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_12_10_033_The_House_Of_Mystery_Case.mp3
1. [The John Blackwell Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/6665ca4dffa0), aired 17 December 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_12_17_034_The_John_Blackwell_Case.mp3
1. [A Christmas Carol](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/5f5e6e5fec56), aired 24 December 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_12_24_035_A_Christmas_Carol.mp3
1. [Thomas Jason Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/fee751ba82f1), aired 31 December 1949 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_49_12_31_036_Thomas_Jason_Case.mp3
1. [Butchers and Protection Racket](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/76cabe54dc08), aired 7 January 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_01_07_037_Butchers_and_Protection_Racket.mp3
1. [Mr Victor's Daughter](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/1deb9f4e5922), aired 15 January 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_01_15_038_Mr_Victors_Daughter.mp3
1. [Martin White Sees Dead Men](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/d9b698b752a0), aired 22 January 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_01_22_039_Martin_White_Sees_Dead_Men.mp3
1. [To Guard A Seal](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/aa97afdbe9d7), aired 5 February 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_02_05_040_To_Guard_A_Seal.mp3
1. [Elaine Tanner Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/603398de868d), aired 12 February 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_02_12_041_Elaine_Tanner_Case.mp3
1. [The Jewel Thief](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/1aa040a53a96), aired 19 February 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_02_19_042_The_Jewel_Thief.mp3
1. [The Blind Man And The Cop Killer](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/668c6f160cbe), aired 26 February 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_02_26_043_The_Blind_Man_And_The_Cop_Killer.mp3
1. [Louis Spence Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/572d95000690), aired 5 March 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_03_05_044_Louis_Spence_Case.mp3
1. [Joyce Wallace](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/00811ba6aa2e), aired 12 March 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_03_12_045_Joyce_Wallace.mp3
1. [Private Eye Test](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a5f244d74a90), aired 19 March 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_03_19_046_Private_Eye_Test.mp3
1. [Photographer's Card](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/d9c99dd57f6c), aired 26 March 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_03_26_047_Photographers_Card.mp3
1. [William Logan And The Ivory Statue](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/766ab4646cff), aired 5 April 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_04_05_048_William_Logan_And_The_Ivory_Statue.mp3
1. [The Man Who Hated Women](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/17c6fd80be39), aired 12 April 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_04_12_049_The_Man_Who_Hated_Women.mp3
1. [Messenger Service, Patty Clark](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/c13ffb54bd36), aired 19 April 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_04_19_050_Messenger_Service_Patty_Clark.mp3
1. [The Ralph Baxter Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b8bc9bb0ae98), aired 26 April 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_04_26_051_The_Ralph_Baxter_Case.mp3
1. [Eight Hundred Thousand Dollars In Jewels](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/08fac625cacd), aired 14 June 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_06_14_052_Eighty_Thousand_Dollars_In_Jewels.mp3
1. [Mrs X Missing Husband](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/8723ab4abc07), aired 14 June 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_06_14_053_Mrs_X_Cant_Find_Her_Husband.mp3
1. [Mary Billman Killed](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/010401428e58), aired 28 June 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_06_28_054_Mary_Billman_Killed.mp3
1. [Mike Burton Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/c08b57ba7c14), aired 5 July 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_07_05_055_Mike_Burton_Murder_Case.mp3
1. [Ice Pick Murder](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/2c88c654566e), aired 12 July 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_07_12_056_Ice_Pick_Murder.mp3
1. [The Ice Pick Murder Case (repeat](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a167cae7f3f5), aired 12 July 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_08_09_151_The_Ice_Pick_Murder_Case_repeat_50_07_12.mp3
1. [The Martha Campbell Kidnap Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/8d601f7589b7), aired 26 July 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_07_26_057_The_Martha_Campbell_Kidnap_Case.mp3
1. [The Fixed Fight Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/86d8cc5c8cfb), aired 2 August 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_08_02_058_The_Fixed_Fight_Case.mp3
1. [Edna Wolfe Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/4747fdb76210), aired 9 August 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_08_09_059_Edna_Wolfe_Case.mp3
1. [The Carnival Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/8a0dcd8f9793), aired 16 August 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_08_16_060_The_Carnival_Case.mp3
1. [The Evans Farmer Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/cb63fe8c251b), aired 23 August 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_08_23_061_The_Evans_Farmer_Case.mp3
1. [The Big Foot Grafton Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/39b5746f8651), aired 30 August 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_08_30_062_The_Big_Foot_Grafton_Case.mp3
1. [The Misplaced Laundry Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/3fbf147b9d97), aired 6 September 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_09_06_063_The_Misplaced_Laundry_Case.mp3
1. [The George Lexington Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/8097967b36fe), aired 13 September 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_09_13_064_The_George_Lexington_Murder_Case.mp3
1. [The Bald Head Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/d6124a5392cc), aired 20 September 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_09_20_065_The_Bald_Head_Case.mp3
1. [The Oklahoma Cowboy Murder Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/dd5f91286af1), aired 27 September 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_09_27_066_The_Oklahoma_Cowboy_Murder_Case.mp3
1. [The Oklahoma Cowboy Murder Case (repeat](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/6233c3c8f2ce), aired 27 September 1950 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_08_16_152_The_Oklahoma_Cowboy_Murder_Case_repeat_50_09_27.mp3
1. [The Pete Rocco Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b27d68145448), aired 4 October 1950 (28 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_10_04_067_The_Pete_Rocco_Case.mp3
1. [The Homing Pigeon Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b1f1ffabe251), aired 11 October 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_10_11_068_The_Homing_Pigeon_Case.mp3
1. [Lt, Levinson Kidnapped](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/fa2933481cf9), aired 18 October 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_10_18_069_Lt_Levinson_Kidnapped.mp3
1. [Lt Levinson Kidnapped (repeat](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/ab31c7ae0763), aired 18 October 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_08_02_150_Lt_Levinson_Kidnapped_repeat_50_10_18.mp3
1. [Rifle Case (repeat](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/921258163e94), aired 25 October 1950 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_06_28_145_Rifle_Case_repeat_50_10_25__1.mp3
1. [Dead Man's Letter](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/7625c5021e3b), aired 8 November 1950 (27 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_11_08_072_Dead_Mans_Letter.mp3
1. [Mona Lisa Murder](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/9152f1ed5066), aired 15 November 1950 (24 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_11_15_073_Mona_Lisa_Murder.mp3
1. [The Cover-Up Murders](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/d0a4f3873a5d), aired 22 November 1950 (24 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_50_11_22_074_The_Cover_Up_Murders.mp3
1. [The Eight O'Clock Killer(Repeat of](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/0f23b1654cef), aired 22 November 1950 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_06_07_143_The_Eight_OClock_Killer_Repeat_of_50_11_22.mp3
1. [Missing Night Watchman (repeat](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/cffb4a9e9458), aired 6 December 1950 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_06_21_144_Missing_Night_Watchman_repeat_50_12_06.mp3
1. [Marilyn Conners Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/e0fbe64b88e9), aired 12 January 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_01_12_078_Marilyn_Conners_Case.mp3
1. [The Man With The Scar](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/9accc12574dc), aired 19 January 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_01_19_079_The_Man_With_The_Scar.mp3
1. [The Rawlins Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/7a3612668d74), aired 26 January 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_01_26_080_The_Rawlins_Case.mp3
1. [The Caspary Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/5f0558980ae4), aired 2 February 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_02_02_081_The_Caspary_Case.mp3
1. [Blue Serge Suit](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/899cd73db30a), aired 9 February 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_02_09_082_Blue_Serge_Suit.mp3
1. [The Grey Man](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/5e4be0386622), aired 16 February 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_02_16_083_The_Grey_Man.mp3
1. [The Lady In Distress](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/836a2eca6447), aired 23 February 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_02_23_084_The_Lady_In_Distress.mp3
1. [The Red Rose](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/3bbf88cca466), aired 2 March 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_03_02_085_The_Red_Rose.mp3
1. [The Butcher Shop](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/87a1483c89c4), aired 9 March 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_03_09_086_The_Butcher_Shop.mp3
1. [Monsieur Bouchon](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/cc9b9b0decf5), aired 16 March 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_03_16_087_Monsieur_Bouchon.mp3
1. [Little Chiva](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a8fc001e2f34), aired 23 March 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_03_23_088_Little_Chiva.mp3
1. [The Carnival](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/6284372ffb29), aired 30 March 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_03_30_089_The_Carnival.mp3
1. [The Brown Envelope Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/263419f15d83), aired 7 December 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_12_07_112_The_Brown_Envelope_Case.mp3
1. [Christmas Show](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b7df20c1ec7a), aired 21 December 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_12_21_114_Christmas_Show.mp3
1. [The Plaid Overcoat Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/679dd744e49c), aired 28 December 1951 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_51_12_28_115_The_Plaid_Overcoat_Case.mp3
1. [Merry Go Round Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/c7fa00d376c8), aired 4 January 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_01_04_116_Merry_Go_Round_Case.mp3
1. [White Cow Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/752305141f60), aired 11 January 1952 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_01_11_117_White_Cow_Case.mp3
1. [Simpson Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/bf0d544d7f76), aired 18 January 1952 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_01_18_118_Simpson_Case.mp3
1. [The Al Brenners Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/8e3b8563243d), aired 25 January 1952 (29 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_01_25_119_The_Al_Brenners_Case.mp3
1. [The Garribaldi Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/fa06ac44917e), aired 1 February 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_02_01_120_The_Garribaldi_Case.mp3
1. [The Eddie Burke Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/dbed6d48eda0), aired 8 February 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_02_08_121_The_Eddie_Burke_Case.mp3
1. [The Dixon Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/7ddb7c6946a0), aired 14 March 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_03_14_126_The_Dixon_Case.mp3
1. [The Hank Burton Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/aa1f57f66121), aired 21 March 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_03_21_127_The_Hank_Burton_Case.mp3
1. [Mr. Walker's Problem](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/0185d8ca9d4f), aired 28 March 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_03_28_128_Mr_Walkers_Problem.mp3
1. [The Enigma Of Big Ed](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/1e7f56bcca0c), aired 4 April 1952 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_52_04_04_129_The_Enigma_Of_Big_Ed.mp3
1. [The William Holland Case](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/a08035748c9b), aired 31 May 1953 (30 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_05_31_142_The_William_Holland_Case.mp3
1. [Chapel Hill Police Officer Symposium Speech](https://invisiblenetwork.ai/radio-drama/series/richard-diamond/b12031e13723), aired 19 July 1953 (25 min): https://archive.org/download/RichardDiamond530802150LtLevinsonKidnappedRepeat501018/Richard%20Diamond%20Private%20Detective/Richard_Diamond_53_07_19_148_Chapel_Hill_Police_Officer_Symposium_Speech.mp3

From the Old Time Radio collection at the Internet Archive, uploaded by the collector named.

Nothing here is called public domain on this site's say-so. In the United States, sound recordings first fixed before 15 February 1972 have federal protection under the Music Modernization Act of 2018, for most until 2067 at the latest, so most American radio of the 1930s to the 1950s is not in the public domain there. Each set shows the licence, mark or statement its archive gives, and says whose it is.