On December 22, 1978, Tammy Peterson, a 14-year-old girl from Rancho Cucamonga, California, was tragically found shot to death at the north end of Etiwanda Avenue. The discovery of her body marked the beginning of a complex and heart-wrenching investigation. Tammy's death was ruled a homicide, and the case has remained a cold case for decades, with law enforcement continuously seeking information to bring justice to her and her family.
The investigation into Tammy Peterson's murder has be
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