What investigators know about suspected Brown, MIT shooter and hero tipster

New details emerge about how police caught up to Claudio Manuel Neves Valente, the former Brown graduate student and ...

A brief encounter, two attacks and then a break in investigations into the Brown and MIT shootings

Investigators are still trying to figure out much of what Claudio Neves Valente was doing in New England in the weeks before they say he opened fire in a Brown University lecture hall and later killed ...