He was said to have quarreled in a dormitory with his girlfriend, whom he believed had been seeing another man. A student adviser was called to sort out the fight. But the killer produced a gun and shot dead both his girlfriend and the adviser....
A Chinese man who arrived in the United States last year on a student visa.
The 24-year-old man arrived in San Francisco on United Airlines on Aug. 7 on a visa issued in Shanghai. Investigators have not linked him to any terrorist groups...