The gunman who killed two Brown University students remained at large on Wednesday, and there was no indication that authorities have grown closer to identifying the suspect four days after he opened fire inside a classroom and escaped into the surrounding streets in Providence,

The effort to find a man who walked onto Brown University’s campus and shot nearly a dozen students in a crowded lecture hall has raised serious questions about the school’s security systems and the urgency of the investigation itself.

The Brown University community was devastated after a deadly shooting at an engineering building left two people dead and eight others wounded.

The USC men will play a different opponent on Sunday after the game against Brown was canceled due to the unsafe situation in Providence