One of the great historical Hollywood mysteries, still unsolved, revolves around the death of silver screen comedienne Thelma Todd. She was found dead in her car on December 16th, 1935, killed by carbon monoxide poisoning according to the Los Angeles coroner. But rumors have circulated for decades that she was murdered, with suspects that have included her live-in boyfriend Roland West, ex-husband Pat DiCicco, and even New York mobster Charles "Lucky" Luciano.

My guest today is Pat Jenning, who along with co-author Marshall Croddy authored the book, "Testimony of a Death: Thelma Todd: Mystery, Media and Myth in 1935 Los Angeles". He's here to present the facts of the case, and help separate fact from fiction.

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