
Veteran actor Andrew Prine guest starred in “Grave Danger,” the Emmy-nominated Season 5 finale of “CSI.” Additionally, he has appeared in numerous other TV shows, such as “Bonanza,” “Six Feet Under,” and “Boston Legal.” Although an esteemed actor, he has a rather shady past.
In 1963, actor Karyn Kupcinet was found murdered in her apartment, aged 22, per The Times of Northwest Indiana. At the time of her death, which occurred just days after John F. Kennedy’s assassination, Kupcinet was dating Prine, making him suspect number one. Karyn’s father, gossip columnist Irv “Kup” Kupcinet, fought to get Prine convicted of his daughter’s murder, attempts that proved fruitless.
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As noted by The Chicago Tribune, Prine admitted that he and Karyn had been arguing in the lead-up to her murder. Indeed, the case got even messier when police discovered that Karyn had been faking death threat letters, which she addressed to herself and Prine in an effort to bring them closer. According to Karyn’s diary entries, she wanted to marry Prine, but he was seeing other women, per Chicago Magazine. “He just thought he was the greatest thing that ever happened,” her aunt, Kari, said. Subsequently, Karyn’s mom, Essee Kupcinet, strongly believed that Prine killed her daughter and made sure that word got out about this theory. Prine’s career suffered as a result and he was reduced to bit parts. Although he was questioned by police, Prine was never arrested. As of this writing, the murder remains unsolved.