The Strange Death of Professor Shockley

College professor and renowned entomologist Marianne Shockley went swimming with her boyfriend Marcus Lillard and their friend Clark Heindel, who got together in a small Georgia town one spring night. By morning, she and Clark were dead. Only her boyfriend, Marcus, lived to tell what happened that night. This encore episode of "48 Hours" last aired on 6/17/2023. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices