Puzzling Celebrity Deaths That Still Remain a Mystery Today

Thelma Todd

If you've ever had a Hot Toddy, meet the origin: Thelma Todd. Todd was a comedic actress who shot to stardom during the rise of talkies. Todd was 29 years old when she was found dead in her Lincoln. At first, her death was determined to have been caused by carbon monoxide poisoning. The only problem? The car's engine wasn't running.

The More You Know

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Post originally appeared on Upbeat News.