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Case Description
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On December 22, 1966, in North Hollywood, Los Angeles, 38-year-old Julia Cook and her 15-year-old son, Kenneth, were found murdered in their home. Both had been forced to kneel and were each shot twice in the head. Julia Cook had a criminal record related to drug possession. Authorities suspected that Robert Biehler, a known criminal associate of Cook's, feared she might inform the police about his involvement in a prostitution ring, which could have been a motive for the killings.

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Victim Details

Julia Cook

Female

Los-angeles

CA

1966-12-22

38

Julia

Cook

11/17/2025