Manhunt for Brown University shooter

The manhunt for the gunman who killed two Brown University students and injured seven more in a classroom shooting stretched into a fourth day on Tuesday, leaving the campus and surrounding neighborhood on edge.
Authorities, including the FBI, released a timeline video comprised of surveillance clips from neighborhood cameras and a car’s dashcam tracking the movements of the suspected shooter on Saturday, in the hopes that someone might recognize him.
The clips, stitched together, show a man dressed in dark clothes and wearing a mask walking briskly, and at one point running, between 2 p.m. and 3 p.m. along several different streets, about a block away from the building where the attack would later take place.
The shooting occurred at 4:03 p.m., and another clip showed the same person from a distance walking from the building’s parking lot toward the street, even as police cars with flashing emergency lights pull up to the scene.