Mr. Keen Tracer of Lost Persons – The Great Detectives of Old Time Radio

Mr. Keen Tracer of Lost Persons – The Great Detectives of Old Time Radio

Adam Graham

The great ones are back in action.

Mr. Chameleon: The Custody of the Child Murder Case

Mr. Chameleon: The Custody of the Child Murder Case

A woman is found murdered at the home of her ex-husband after losing custody of her child. Original Air Date: April 12, 1950 Support the show monthly at

May 24, 2022 • 0:00

EP3552: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Prize-Winning Bull

EP3552: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Prize-Winning Bull

A man finds his prize-winning bull killed and is then murdered himself. Original Air Date: November 7, 1952 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetec Read more ...

Sep 9, 2021 • 0:00

EP3546: Mister Keen, Tracer of Lost Persons: The Gossip Column Murder Case

EP3546: Mister Keen, Tracer of Lost Persons: The Gossip Column Murder Case

Mister Keen investigates when a gossip columnist is murdered on the air before he can release some juicy gossip. Original Air Date: October 24, 1952 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Sep 2, 2021 • 0:00

Mister Keen, Tracer of Lost Persons: The Airport Murder Case

Mister Keen, Tracer of Lost Persons: The Airport Murder Case

Mister Keen investigates the murder of a man in an airport phone booth. Original Air Date: March 22, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetecti Read more ...

Aug 26, 2021 • 29:43

EP2775: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Revengeful Ghost

EP2775: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Revengeful Ghost

A woman comes to Mister Keen and asks him to investigate as she believes her fiancé was murdered by his late wife’s ghost. Original Air Date: February 22, 1955 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Mar 18, 2019 • 0:00

EP2769: Mister Keen, Tracer of Lost Persons: The Shrieking Prisoner Murder Case, Parts Three and Four

EP2769: Mister Keen, Tracer of Lost Persons: The Shrieking Prisoner Murder Case, Parts Three and Four

A woman is determined to thwart Mister Keen’s investigation of the murder of her nephew. Original Air Dates: June 24 and 25, 1954 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Mar 11, 2019 • 0:00

Mister Keen, Tracer of Lost Persons: The Shrieking Prisoner Murder Case, Parts One and Two

Mister Keen, Tracer of Lost Persons: The Shrieking Prisoner Murder Case, Parts One and Two

A woman asks Mister Keen to find out who murdered her husband while he was visiting their eccentric aunt. Original Air Dates: June 21 and June 23, 1954 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Mar 4, 2019 • 30:27

EP2757: Mister Keen, Tracer of Lost Persons: The Mother’s Plea Murder Case

EP2757: Mister Keen, Tracer of Lost Persons: The Mother’s Plea Murder Case

While a woman is confronting her husband’s mistress, the mistress is murdered. She turns to Mister Keen to clear her of murder. Original Air Date: April 10, 1952 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Feb 25, 2019 • 0:00

EP2745: Mister Keen, Tracer of Lost Persons: The Rented Cottage Murder Case

EP2745: Mister Keen, Tracer of Lost Persons: The Rented Cottage Murder Case

A man is murdered after making a deal to rent a cottage for $25 a month. Original Air Date: April 3, 1952 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectiv Read more ...

Feb 11, 2019 • 32:25

EP2739: Mister Keen, Tracer of Lost Persons: The Silver Candlestick Murder Case

EP2739: Mister Keen, Tracer of Lost Persons: The Silver Candlestick Murder Case

An actor/model goes to a house for a job, decides to leave, and then is murdered with a silver candlestick. Original Air Date: March 13, 1952 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Feb 4, 2019 • 37:07

EP2733: Mister Keen, Tracer of Lost Persons: Murder at a Mile a Minute

EP2733: Mister Keen, Tracer of Lost Persons: Murder at a Mile a Minute

A wealthy man is murdered by a motorcyclist passing at high speed. Original Air Date: December 6, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives. Read more ...

Jan 28, 2019 • 34:00

EP2727: Mister Keen, Tracer of Lost Persons: The Poisoned Sandwich Murder Case

EP2727: Mister Keen, Tracer of Lost Persons: The Poisoned Sandwich Murder Case

A law student calls Mister Keen for help, but Keen and Mike find him dead from eating a poisoned sandwich. Original Air Date: August 17, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Jan 21, 2019 • 34:09

EP2721: Mister Keen, Tracer of Lost Persons: The Abandoned Well Murder Case

EP2721: Mister Keen, Tracer of Lost Persons: The Abandoned Well Murder Case

Mister Keen investigates when a wealthy man is found murdered in an abandoned well. Original Air Date: August 10, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support. Read more ...

Jan 14, 2019 • 0:00

EP2715: Mister Keen, Tracer of Lost Persons: The Case of The Strange Murder of Carrie Ellis

EP2715: Mister Keen, Tracer of Lost Persons: The Case of The Strange Murder of Carrie Ellis

A woman comes to Mister Keen’s office, asking for help because she killed a woman but doesn’t know why. Original Air Date: August 3, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715 Read more ...

Jan 7, 2019 • 0:00

EP2709: Mister Keen, Tracer of Lost Persons: The Photograph Album Murder Case

EP2709: Mister Keen, Tracer of Lost Persons: The Photograph Album Murder Case

photo credit: Greyframe So lost, I’m fading viaphotopin(license) A young actress is murdered while walking to her home. Original Air Date: July 27, 1951

Dec 31, 2018 • 34:47

EP2703:Mister Keen: The Case of Murder and the Strange Woman

EP2703:Mister Keen: The Case of Murder and the Strange Woman

A young crooner is murdered and suspicion falls on an obsessed fan. Original Air Date: July 20, 1951 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.ne Read more ...

Dec 24, 2018 • 0:00

EP2697: Mister Keen, Tracer of Lost Persons: The Skull and Crossbones Murder Case

EP2697: Mister Keen, Tracer of Lost Persons: The Skull and Crossbones Murder Case

A wealthy man is poisoned at his dinner table. Original Air Date: June 15, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a Read more ...

Dec 17, 2018 • 33:06

EP2691: Mister Keen, Tracer of Lost Persons: The Quicksand Murder case

EP2691: Mister Keen, Tracer of Lost Persons: The Quicksand Murder case

A woman calls her sister and asks her to come get her from a house she just rented. When the sister arrives, the woman is gone and she calls Mister Keen in to investigate. Original Air Date: June 1, 1950 Support the show monthly at patreon.greatdetectives.net Support the show Read more ...

Dec 10, 2018 • 33:43

EP2685: Mister Keen, Tracer of Lost Persons: The Broken Window Murder Case

EP2685: Mister Keen, Tracer of Lost Persons: The Broken Window Murder Case

A wealthy man is murdered in his home by someone who entered through a broken window. Original Air Date: May 25, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.g Read more ...

Dec 3, 2018 • 32:18

EP2679: Mister Keen: The Case of Murder and the Missing Car

EP2679: Mister Keen: The Case of Murder and the Missing Car

A wealthy man’s car disappears. When he gets back, the man discovers his daughter’s boyfriend’s body in the back of the car. Original Air Date: May 11, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Nov 26, 2018 • 33:56

EP2673: Mister Keen, Tracer of Lost Persons: The King Cobra Murder Case

EP2673: Mister Keen, Tracer of Lost Persons: The King Cobra Murder Case

A woman is killed by a Cobra aboard a cruise ship. Original Air Date: May 4, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail Read more ...

Nov 19, 2018 • 33:58

EP2667: Mister Keen, Tracer of Lost Persons: The Case of the Woman Who Married a Murderer

EP2667: Mister Keen, Tracer of Lost Persons: The Case of the Woman Who Married a Murderer

A woman comes to Mister Keen because she fears that her husband murdered her ex-boyfriend. Original Air Date: April 27, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://su Read more ...

Nov 12, 2018 • 30:11

EP2661: Mister Keen, Tracer of Lost Persons: The Country Club Murder Case

EP2661: Mister Keen, Tracer of Lost Persons: The Country Club Murder Case

A wealthy heiress is murdered at a country club. Original Air Date: April 20, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail Read more ...

Nov 5, 2018 • 31:30

EP2655: Mister Keen, Tracer of Lost Persons: The Eccentric Millionaire Murder Case

EP2655: Mister Keen, Tracer of Lost Persons: The Eccentric Millionaire Murder Case

Mister Keen investigates the murder of a reclusive millionaire. Original Air Date: April 13, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net.

Oct 29, 2018 • 27:42

EP2649: Mister Keen, Tracer of Lost Persons: The Case of Murdered Detective

EP2649: Mister Keen, Tracer of Lost Persons: The Case of Murdered Detective

A police detective friend of Keen and Clancy is murdered while investigating a charity theft. Original Air Date: April 6, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http:// Read more ...

Oct 22, 2018 • 32:08

EP2643: Mister Keen: The Innocent Flirtation Murder Case

EP2643: Mister Keen: The Innocent Flirtation Murder Case

A man challenges a famous architect to a duel for flirting with his wife and then the architect is murdered. Original Air Date: March 16, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Oct 15, 2018 • 30:49

EP2637: Mister Keen, Tracer of Lost Persons: The Case of the Melody of Murder

EP2637: Mister Keen, Tracer of Lost Persons: The Case of the Melody of Murder

A young man asks Mister Keen to investigate the death of his sister, a promising young pianist who was strangled. Original Air Date: March 9, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Oct 8, 2018 • 32:46

EP2631: Mister Keen, Tracer of Lost Persons: The Case of the Two-Faced Murderer

EP2631: Mister Keen, Tracer of Lost Persons: The Case of the Two-Faced Murderer

A woman tells her husband that she saw an old rival of his at the window and then the husband is murdered. Original Air Date: February 16, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Oct 1, 2018 • 31:36

EP2625: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Jewel Thief

EP2625: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Jewel Thief

A famous jewel thief who is reforming calls Mister Keen for help and is killed before Mister Keen finds out what he wants. Original Air Date: February 9, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Sep 24, 2018 • 33:45

EP2619: Mister Keen: The Telephone Book Murder Case

EP2619: Mister Keen: The Telephone Book Murder Case

Mister Keen investigates the murder of a man who was about to attend a party for bachelors. Original Air Date: January 26, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http:/ Read more ...

Sep 17, 2018 • 34:57

EP2613: Mister Keen, Tracer of Lost Persons: The Bride and Groom Murder Case

EP2613: Mister Keen, Tracer of Lost Persons: The Bride and Groom Murder Case

A woman who’s only married a week is murdered on her honeymoon. Original Air Date: January 19, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectiv Read more ...

Sep 10, 2018 • 29:38

EP2607: Mister Keen, Tracer of Lost Persons: The Case of the Rushville Murder

EP2607: Mister Keen, Tracer of Lost Persons: The Case of the Rushville Murder

The married daughter of a psychiatrist is murdered shortly after her father warned her that a dangerous patient had escaped and was out for revenge. Original Air Date: January 5, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis Read more ...

Sep 3, 2018 • 38:09

EP2601: Mister Keen, Tracer of Lost Persons: The Engaged Girl Murder Case

EP2601: Mister Keen, Tracer of Lost Persons: The Engaged Girl Murder Case

The sister of a wealthy man is murdered after she had a fight with his fiancee. Original Air Date: November 10, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.gr Read more ...

Aug 27, 2018 • 38:51

EP2595: Mister Keen, Tracer of Lost Persons: The Forgotten Cave Murder Mystery

EP2595: Mister Keen, Tracer of Lost Persons: The Forgotten Cave Murder Mystery

A man comes to Mr. Keen after his business partner is murdered while they’re exploring a cave searching for treasure. Original Air Date: November 3, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Aug 20, 2018 • 36:31

EP2589: Mister Keen, Tracer of Lost Persons: The Ruthless Murderers

EP2589: Mister Keen, Tracer of Lost Persons: The Ruthless Murderers

A businessman who provided key evidence that sent a man to prison is murdered. Original Air Date: October 27, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.grea Read more ...

Aug 13, 2018 • 35:02

EP2583: Mister Keen, Tracer of Lost Persons: The Silver Dagger Case

EP2583: Mister Keen, Tracer of Lost Persons: The Silver Dagger Case

A wealthy woman is killed with a silver dagger. Original Air Date: October 13, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mai Read more ...

Aug 6, 2018 • 34:05

EP2577: Mister Keen, Tracer of Lost Persons: The Case of the Man Who Invented Death

EP2577: Mister Keen, Tracer of Lost Persons: The Case of the Man Who Invented Death

An eccentric inventor who was working on a way to convert base metals to gold is murdered. Original Air Date: October 6, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://s Read more ...

Jul 30, 2018 • 33:00

EP2571: Mister Keen Tracer of Lost Persons:  The Case of Murder with a Thousand Witnesses

EP2571: Mister Keen Tracer of Lost Persons: The Case of Murder with a Thousand Witnesses

A man is poisoned after eating his wife’s pie while judging a contest at the fair. Original Air Date: September 29, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http:// Read more ...

Jul 23, 2018 • 35:33

EP2565: Mister Keen, Tracer of Lost Persons: The Yellow Talon Murder

EP2565: Mister Keen, Tracer of Lost Persons: The Yellow Talon Murder

A man asks Keen to solve the murder of his sister, with the only clue pointing to murder by a large bird’s talon. Original Air Date: September 22, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Jul 16, 2018 • 36:31

EP2559: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Bloodstained Necklace

EP2559: Mister Keen, Tracer of Lost Persons: The Case of Murder and the Bloodstained Necklace

A wealthy widow is found murdered clutching a string of cheap imitation pearls. Original Air Date: September 15, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.g Read more ...

Jul 9, 2018 • 32:25

EP2553: Mister Keen, Tracer of Lost Persons:  Murder and the Star of Death

EP2553: Mister Keen, Tracer of Lost Persons: Murder and the Star of Death

Mister Keen sets out to to find out who stole a fabulous jewel and murdered its owner Original Air Date: June 9, 1949 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.g Read more ...

Jul 2, 2018 • 31:53

EP2547: Mister Keen, Tracer of Lost Persons: The Case of the Glamorous Widow

EP2547: Mister Keen, Tracer of Lost Persons: The Case of the Glamorous Widow

A woman asks Mister Keen to try to find who murdered her employer, a thirty-year-old, beautiful, rich woman. Original Air Date: May 23, 1946 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

Jun 25, 2018 • 34:48

EP2541: Mr. Keen, Tracer of Lost Persons: The Strange Case of Charlie Lorimer

EP2541: Mr. Keen, Tracer of Lost Persons: The Strange Case of Charlie Lorimer

A woman’s fiance disappears, as does her old boyfriend. Original Air Date: November 29, 1945 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Read more ...

Jun 18, 2018 • 30:55

EP2535: Mr. Keen, Tracer of Lost Persons: The Case of the Absent-Minded Professor

EP2535: Mr. Keen, Tracer of Lost Persons: The Case of the Absent-Minded Professor

A young woman is suspected when her mother is poisoned leaving her a fortune. Original Air Date: March 15, 1945 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatde Read more ...

Jun 11, 2018 • 33:03

EP2529: Mister Keen, Tracer of Lost Persons: The Nightmare Murder

EP2529: Mister Keen, Tracer of Lost Persons: The Nightmare Murder

The only clue Mister Keen has to help him locate a missing man is his daughter’s nightmare of him being involved in a murder. Original Air Date: December 14, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a donation to: Adam Graham, PO Box 15913, Boise,…

Jun 4, 2018 • 35:34

EP2523: Mister Keen, Tracer of Lost Persons: The Case of the Frightened Child

EP2523: Mister Keen, Tracer of Lost Persons: The Case of the Frightened Child

Mister Keen helps out in the case of a boy whose been struck speechless and no one knows who he is. Original Air Date: November 16, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at

May 28, 2018 • 36:08

EP2517: Mister Keen, Tracer of Lost Persons: The Case of the Woman in Blue

EP2517: Mister Keen, Tracer of Lost Persons: The Case of the Woman in Blue

An Air Force Lieutenant on leave meets a woman at the party and then she mysteriously disappears. Original Air Date: June 15, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at htt Read more ...

May 21, 2018 • 35:05

EP2511: Mister Keen, Tracer of Lost Persons:  The Case of the Leaping Dog

EP2511: Mister Keen, Tracer of Lost Persons: The Case of the Leaping Dog

An abandoned dog leads Mister Keen to a search for the dog’s missing owners. Original Air Date: April 13, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.gr Read more ...

May 14, 2018 • 33:54

EP2505: Mister Keen, Tracer of Lost Persons: The Case of the Strange Display

EP2505: Mister Keen, Tracer of Lost Persons: The Case of the Strange Display

A hated window dresser is found murdered in his own display. The fiancée of the prime suspect asks Keen to bring him home. Original Air Date: March 16, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho…

May 7, 2018 • 32:43

EP2499: Mister Keen, Tracer of Lost Person: The Case of Murder in the Air

EP2499: Mister Keen, Tracer of Lost Person: The Case of Murder in the Air

A woman comes to Mr. Keen because she’s afraid someone’s trying to kill her. Original Air Date: February 24, 1948 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://s Read more ...

Apr 30, 2018 • 39:55

EP2493: Mr. Keen, Tracer of Lost Persons: The Girl Who Flirted

EP2493: Mr. Keen, Tracer of Lost Persons: The Girl Who Flirted

The assistant curator of the Manhatten Museum asks Mr. Keen to find a young female art copyist. Original Air Date: February 3, 1944 Support the show monthly at: patreon.greatdetectives.net Support the show on a one-time basis at:

Apr 23, 2018 • 34:10

EP2487: Mr. Keen, Tracer of Lost Persons: The Case of Mr. Trevor’s Secret

EP2487: Mr. Keen, Tracer of Lost Persons: The Case of Mr. Trevor’s Secret

Mr. Keen is called in by the owner of a war plant to find a missing chemical engineer. Original Air Date: February 17, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://sup Read more ...

Apr 16, 2018 • 33:22

EP2481: Mr. Keen, Tracer of Lost Persons: The Case of the Boy Who Used Big Words

EP2481: Mr. Keen, Tracer of Lost Persons: The Case of the Boy Who Used Big Words

A boy comes to Mr. Keen concerned about his uncle’s strange behavior. Mr. Keen doesn’t take the case and the boy’s uncle is murdered and the boy disappears. Original Air Date: February 10, 1944 Support the show monthly at patreon.greatdetectives.net Support Read more ...

Apr 9, 2018 • 35:12

EP2475: Mr. Keen, Tracer of Lost Persons:  The Case of a Girl Who Sang Too Well

EP2475: Mr. Keen, Tracer of Lost Persons: The Case of a Girl Who Sang Too Well

Mr. Keen investigates the disappearance of a singer from a theater. Original Air Date: January 20, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715 Read more ...

Apr 2, 2018 • 34:51

EP2469: Mr. Keen, Tracer of Lost Persons: The Case of the Missing Witness

EP2469: Mr. Keen, Tracer of Lost Persons: The Case of the Missing Witness

Mr. Keen investigates the murder of a fashion queen’s daughter. Original Air Date: January 13, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectiv Read more ...

Mar 26, 2018 • 34:21

EP2463: Mister Keen Tracer of Lost Persons: The Moonless Night

EP2463: Mister Keen Tracer of Lost Persons: The Moonless Night

A woman calls Mr. Keen in to find her missing uncle. Original Air Date: January 6, 1944 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net.

Mar 19, 2018 • 48:08

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