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Case Description
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On July 20, 1928, William Rosen, a 30-year-old resident of Rancho Palos Verdes, California, was discovered dead on a secluded road near San Pedro. He had been shot three times in the head. Rosen was known as an underworld figure and had recently served as a state witness in the case against William Sykes, a bail-bond jumper and suspected diamond thief.

Prior to his death, Rosen had testified against Sykes, providing critical information that likely contributed to the case against him. Th ...Read More
Victim Details

William Rosen

Male

White / Caucasian

Rancho-palos-verdes

CA

1928-01-28

30

William

Rosen

11/20/2025