The suspect, who was killed following the shooting, had previously been imprisoned for several years for trying to support ISIS, the FBI said.

Mohamed Bailor Jalloh, released early from prison for aiding the Islamic State, opened fire at Old Dominion University, raising concerns about public safety and sentencing practices.

Old Dominion University shooting being probed as act of terrorism; suspect was subdued by students, FBI director says.

The gunman who opened fire on an Old Dominion University classroom was previously convicted of supporting ISIS and, according to court documents, was on probation for that terrorism-related charge when he carried out Thursday's deadly attack.

A gunman who opened fire at Old Dominion University in Virginia, killing at least one person and injuring multiple others, was previously convicted of trying to support ISIS. (Scripps News)

The gunman who killed one person and injured two others at Old Dominion University on Thursday is reportedly a former Virginia National Guardsman with ties to ISIS.Mohamed Bailor Jalloh, 36, has reportedly been identified as the gunman