In several zoomed-in videos police say were captured on the East Side of Providence approximately two hours before the shooting, a person of interest is seen walking on a sidewalk and looking around.

Officials said that they were working with physical evidence, including DNA, and that they were seeking a second man who appeared to have crossed paths with the possible suspect’.

PROVIDENCE, R.I. (AP) — With the search for the Brown University shooter in its fifth day Wednesday, authorities were asking the public to review any security or phone footage from the week before the attack in the hopes it might help investigators identify the suspect, believing he may have cased the scene ahead of time.

Fox News' CB Cotton and 'America's Most Wanted' co-host Callahan Walsh join 'America Reports' to discuss a new lead in the Brown University shooter manhunt as security concerns mount on the university's President.

Brown University president Christina Paxson faces mounting criticism as manhunt for deadly campus shooter enters day 5 with no arrests or concrete leads.

Sidechat turned into a hub for eyewitness accounts, lockdown instructions, and mutual aid efforts as the deadly attack played out.