Security footage released by the FBI shows a route taken by a person police are seeking in connection with the Brown University shooting.

The hunt for the shooter that left two students dead and nine injured at one of the nation’s top universities stretches into a fifth day.

At approximately 4 p.m. on Saturday afternoon, a gunman enters Room 166 of the Barus and Holley Building at Brown University, where economics students are preparing for final exams. Ella Cook, 19, and Mukhammad Aziz Umurzokov,

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.

Eric O'Neill, a cybersecurity expert and former FBI operative, told Fox News Digital that Brown University would have benefited from providing their video feeds to Providence's new "real time crime center.

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.