Authorities had few other details about the perpetrator who opened fire on a Brown University classroom. They also asked the public for tips.

Like previous images, the enhanced photo showed a man with a black mask, a beanie and what appears to be a two-toned jacket.

Brown University is calling on the public to stop engaging in “harmful” social media activity while investigators work to identify the gunman who killed two students on its campus Saturday afternoon.

Two days after the mass shooting at Brown University on Saturday, Dec. 13, the gunman remains at large. Here's a timeline of what's happened.

Follow live updates as police seek to identify masked person as manhunt enters fourth day for Brown University shooting

The search for a gunman in the deadly Brown University shooting remains ongoing after officials in Providence, Rhode Island, announced late Sunday that a detained person of interest would be released from custody.

After determining that a man they had detained was not the killer, Rhode Island officials have searched for more evidence and released photos of a possible gunman.

A somber church service was held on the Brown University campus on Tuesday for the victims a shooting in which two students were killed and nine others wounded.

Law enforcement officials released new videos Tuesday afternoon of the person of interest investigators are looking to identify in connection with the deadly mass shooting at Brown University on Saturday.

Authorities are seeking the public’s help in the investigation of the campus shooting Saturday that killed two students and injured nine.

The Boston Bruins held a moment of silence Tuesday night to honor the lives lost over the weekend in two shootings, one at Brown University in Rhode Island and one at Bondi Beach.