Original Release Date: February 7, 2017

A mystery man is found murdered in a vacant lot. 

Original Air Date: July 27, 1951

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Original Release Date: January 31, 2017

A soon-to-be divorced man is murdered outside his wealthy wife’s house and is found with a million-dollar check on him. 


Original Air Date: July 20, 1951 

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Release Date: October 13, 2015 

A public stenographer is killed by a man after she had been forced to type a suicide note.

Original Air Date: January 10, 1952

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Release Date: October 06, 2015 

A woman asks her husband for an annulment and then is found murdered.

Original Air Date: December 13, 1951


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Original Release Date: September 29, 2015

A secretary is warned to leave her job and a murder occurs in her office. 

Original Air Date: August 30, 1951 

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Today's Mystery: Inspector Hearthstone investigates the murder of a man which occurred after that man's stepson, recently released from prison, threatens him.

Original Radio Broadcast Date: January 18, 1949

Originating from New York City

Starring: Alfred Shirley as Inspector Hearthstone; James Meighan

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Today's Mystery: A disabled man's wife, who had worked as an escort, is murdered.

Original Radio Broadcast Date: November 16, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: BookGeek28 Patreon Supporter Since December 2021

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Today's Mystery: A band leader with a penchant for stealing other people's music is murdered.

Original Radio Broadcast Date: November 9, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day:Peter, Patreon supporter since April 2020.

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Today's Mystery: A man is murdered and a woman with whom he had a "flirtation" is found near his body. She claims she's only there to reclaim her wedding ring.

Original Radio Broadcast Date: November 2, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave ArnoldSupport the show monthly at https://patreon.greatdetectives.net

Patreon Supporter of the Day: Alexandra, Patreon supporter since September 2016

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Today's Mystery: A typist for a murder mystery writer is murdered in his home.

Original Radio Broadcast Date: October 26, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Luce, Patreon Supporter since April 2021

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Today's Mystery: A man is murdered after having a fight with his wife over their child.

Original Radio Broadcast Date: October 19, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Maurice, Patreon Supporter since January 2024

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Today's Mystery: A wealthy man's wife is found murdered.

Original Radio Broadcast Date: October 12, 1949

Originating from New York CityStarring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Joel, Patreon Supporter since August 2015

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Today's Mystery: A man is killed after announcing to his children that he is going to change his will.

Original Radio Broadcast Date: October 5, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Lisa, Patreon Supporter since April of 2016

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Today's Mystery:

An embalmed body is found in the back of a speeding station wagon.

Original Radio Broadcast Date: September 14, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Jeff, Patreon Supporter since July 2020

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Today's Mystery: Mr. Chameleon is called in when a doctor suspects that a man who died of lockjaw was actually murdered.

Original Radio Broadcast Date: September 7, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Diane, Patreon Supporter since July 2022

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Today's Mystery:Mr. Chameleon investigates the murder of a wealthy abusive husband.

Original Radio Broadcast Date: August 31, 1941

Originating from New York CityStarring: Karl Swenson as Mister Chameleon; Frank Butler as Sergeant Dave Arnold

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Patreon Supporter of the Day: Loren, Patreon Supporter since September 2021

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Today's Mystery:While on vacation, Mr. Chameleon is called on to investigate a murder and the theft of a $100,000 diamond brooch at a resort.

Original Radio Broadcast Date: August 24, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon

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Patreon Supporter of the Day: Mimi, Patreon Supporter since February 2016

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Today's Mystery:A snobbish "gentleman" movie star is murdered.

Original Radio Broadcast Date:August 17, 1949

Originating from New York City

Starring: Karl Swenson as Mister Chameleon

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Today's Mystery:The wife of a store buyer is murdered. But is it really her?

Original Radio Broadcast Date: August 10, 1949

Originating from New York City

Starring: Karl Weber as Mister Chameleon

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Patreon Supporter of the Day: James, Patreon Supporter since December 2022

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Today's Mystery: A man is murdered after his father-in-law receives photos of him in the park with another woman.

Original Radio Broadcast Date: August 3, 1949

Originating from New York CityStarring: Karl Weber as Mister Chameleon

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Patreon Supporter of the Day: Luce, Patreon Supporter  Since April 2021

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