A former University of California graduate student killed his estranged wife in Minnesota before carrying two semi-automatic pistols and a grudge back to Los Angeles, where he gunned down a young professor he once called a mentor before killing himself.

California, Los Angeles (UCLA) and led to a massive response on the campus in a bustling part of LA was a murder-suicide, authorities said.

A shooting that left two men dead at the University of California, Los Angeles (UCLA) and led to a massive response on the campus in a bustling part of LA was a murder-suicide, authorities said.