LISBON/PROVIDENCE, Rhode Island ¨C A quarter of a century ago, Claudio Neves Valente was briefly enrolled as a promising young doctoral student in the physics department at Brown University before dropping out of the school in Rhode Island.
On Friday, police were still trying to figure out why Valente returned to the Ivy League school nearly a week ago, armed with at least one handgun. He killed two students and injured several others, police say, before fleeing from the building where he once studied.
Searching for a motive, investigators were examining Valente¡¯s earliest days in academia, which took him from the University of Lisbon to the U.S. Northeast.
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