A USC grad student fatally stabbed his mentor after a ‘personal dispute,’ police say

A University of Southern California student stabbed and killed the psychology professor who served as his mentor, authorities told the Associated Press, following what was described as a “personal dispute” on campus Friday afternoon.

David Jonathan Brown, a 28-year-old brain and cognitive science student, was being held on $1 million bail, according to the AP. Police haven’t detailed what led up to the killing in a building near the southwest edge of campus.