The 1978 cold case murder of California high school teacher Diane Peterson, who was stabbed to death, has been solved this year, officials confirmed.

Detectives in San Jose say they have solved a grisly 1978 cold-case murder of a high school teacher who was found stabbed to death in the school’s hallway with a knife marked “Teacher Dear.” The ...

Almost 50 years after a Bay Area high school teacher was stabbed to death while cleaning her classroom for the summer break, her killer has been named. On June 16, 1978, Diane Peterson, a 26-year-old ...

A San Jose high school teacher was found stabbed to death on June 16, 1978, prosecutors said. Photo from Santa Clara County District Attorney's Office Decades after a student found a teacher stabbed ...

The 1978 cold case murder of a California high school teacher who was stabbed to death has been solved nearly five decades later, officials confirmed. Diane Peterson was found dead on a hallway floor ...

Decades after a student found a teacher stabbed to death near her classroom the day after summer break began, the accused killer in her slaying has been identified, California prosecutors say. Thanks ...