LOS ANGELES (AP) — Students and administrators at UCLA are examining campus safety after a murder-suicide that left a beloved engineering professor dead.

In a letter to students and faculty Tuesday, Chancellor Gene Block said a new task force will review the university’s response and examine issues including classroom security and door locks.

Some students stacked chairs and desks against doors that they could not lock.

Authorities believe former student Mainak Sarkar killed his estranged wife in a Minneapolis suburb before driving to Los Angeles and fatally shooting professor William Klug on June 1. Klug had helped Sarkar earn his engineering Ph.D. in 2013.

In addition to the task force, students are planning a committee on campus violence that will work with the university on issues including active-shooter training and communication.

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