Student Accused of Murder in Stabbing of Psychology Professor

USC professor Bosco Tjan was pronounced dead at the scene from multiple stab wounds.
1:06 | 12/04/16

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Transcript for Student Accused of Murder in Stabbing of Psychology Professor
Next, to a shocking crime on a California campus. A popular psychology professor stabbed to death, and tonight, wouchb one of his students accused of his murder. More from ABC's Gloria Riviera. Reporter: The usc campus, tonight a crime scene. The victim is a faculty member and the suspect is a student. Reporter: Police surrounding the building where that professor was killed. Students receiving text alerts, warning them to stay away from the building where the alleged attack took place. It was a very scary reaction for me, at first, when I heard this news. Reporter: Professor Bosco tjan was pronounced dead at the scene, the victim of multiple stab wounds. This was not a random act. Reporter: Police say the alleged attacker is 28-year-old David brown, one of just five students working in tjan's lab. One classmate was shocked when he heard the news, saying that Dr. Tjan was well-liked on campus. He was a very charismatic individual. He was a very important part of the development of everybody that he worked with. Reporter: Police say brown was arrested without incident and that the motive was a personal dispute. He is being held on a million dollar bail. Cecilia? Gloria, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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