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FULLERTON, Calif. — A former faculty member was murdered on campus at California State University Fullerton Monday, police said.

Investigators say the man was stabbed to death around 8:30 a.m. in a parking lot at the school. The victim, a man in his 50s, was a retired member of the school faculty who worked with international students, police said.

Officers found the man sitting in a car with stab wounds and paramedics tried to save his life, but he died at the scene.

Officials said the attacker was a man in dark clothes but did not have a detailed description. He was last seen headed toward a Marriott Hotel near campus, on Nutwood Avenue, the university tweeted.

Investigators said they were not aware of any previous threats made to the faculty member. They asked people to avoid the area while they searched for the attacker.

Anyone with information was urged to call Fullerton police at 714-738-8600.

The murder came at the start of CSUF’s academic year, with classes beginning Aug. 24.

Police gave an official update at 11 a.m. Watch the entire briefing below: