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.

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.

Authorities are asking the public for any footage they might have of the gunman who fatally shot two students and wounded nine others at Brown University.

The Brown University building where two students were killed had no surveillance cameras, even as the school president’s home is equipped with security monitoring.

Sunday’s men’s basketball game between USC and Brown has been canceled due to the impact of Saturday’s school shooting that took place on the Providence, Rhode Island, research university campus.

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.

On Dec. 13, after a gunman opened fire at Brown University, killing two and injuring nine before evading capture, Trump posted on Truth Social that "the FBI is on the scene. The suspect is in custody." But about 20 minutes later, Trump posted an update: "The Brown University Police reversed their previous statement — The suspect is NOT in custody."

Brown University senior Phoebe Peus recalls the "devastating" loss of friend Ella Cook and explains she first heard about the shooting from friends, not the school.