When a thief began stealing high-end science equipment from Stanford University labs this year, a group of graduate students struck back using tools of their own. About 5:30 a.m. Sunday, a camera rigged by the students caught a 20-seconds footage of a man breaking into a Stanford physics lab information that is now a part of the campus investigation, said Mike Killian, facilities manager of the Hansen Experimental Physics Laboratory. In at least eight break-ins at Stanford physics labs since September, a thief targeted specific scientific electronics equipment, often stealing oscilloscopes and spectrum analyzers, Killian said. "Clearly he knows what...