Person of interest identified in Brown University shooting

We want to take a turn now. We are following breaking news in the investigation into last weekend's deadly shooting at Brown University. Three senior law enforcement officials now confirming to NBC News that a person of interest has been identified. This significant development comes as four senior law enforcement officials also confirmed to NBC News that police are looking into whether the deadly shooting of an MIT professor in the Boston area is connected to the attack at Brown in Providence. That profess ...