Angie Castillo and William Klug had their routine chat Wednesday morning, as if it were just another day.
Moments later, she returned to her office and heard two gun shots.

When UCLA statistics lecturer Vivian Lew received the alert of police activity in Engineering IV, she immediately thought of her students’ safety. There was an exam scheduled for her Statistics 20 students in a nearby building, so she hastily sent an email instructing them to ignore the scheduled location and avoid the area, reassuring them that they would have the opportunity to take the exam at a later time.

University of California students, administration and leaders showed their support for UCLA after the murder-suicide Wednesday.
UC Riverside and UC Irvine students held vigils Friday night to mourn the death of mechanical and aerospace engineering professor, William Klug.

The morning after Wednesday’s campus shooting, UCLA alumnus Justin Renge drove to campus with a bag of 50 envelopes. Each envelop contained anonymous notes and money, which he distributed to random locations across the campus.

William “Bill” Klug introduced himself in the first lecture of his programming class with a family photo of himself, his wife and two young children.
Klug wanted students to understand what he was like both in and out of work, said Amirhossein Kaboodrangidaem, a graduate student in bioengineering and Klug’s former student.

The plain night sky above Bruin Plaza was lit by hundreds of candlelights Thursday.
Students held the candles in silence, mourning professor William Klug, who was killed in a murder-suicide Wednesday.

Daily Bruin senior staff Natalie Green writes about her lockdown experience while working at Kerckhoff Coffeehouse.

More than 1,000 people attended a vigil in Bruin Plaza Thursday night to mourn the death of professor William Klug.

A free orchestral concert Thursday will honor the UCLA professor who died in Wednesday’s murder-suicide, musicians said.
The music department will dedicate Thursday’s UCLA Philharmonia concert to mechanical and aerospace engineering professor William Klug, who was killed in Wednesday’s murder-suicide on the UCLA campus.

A former doctoral student has been identified as the man who killed a UCLA professor on campus Wednesday.
Mainak Sarkar, a 38-year-old man who graduated from UCLA in 2013, drove from his home in Minnesota to Los Angeles to kill his former research adviser William Klug, police said.