4 Injured, Suspect Down In Wisconsin Business ShootingPolice are responding to a report of an active shooter at a commercial building in a suburb of Madison, Wisconsin.
4 Dead Including Gunman In Downtown Cincinnati ShootingPolice say four people are dead, including the gunman, in a downtown Cincinnati bank shooting.
Ohio Air Force Base: There Was 'No Real World Active Shooter Incident'An Air Force base in Ohio says there was "no real world active shooter incident" hours after authorities responded to reports of a shooter.
2 Firefighters, 1 Civilian Shot After Explosion At California High-RiseAuthorities say two firefighters and a civilian were shot while responding to an explosion and fire at a Long Beach, California high-rise for seniors and disabled persons.
'Protect And Extract Or Hunt And Destroy': Controversy Surrounds Upcoming 'Active Shooter' Video GameAn upcoming video game called "Active Shooter" would let gamers take on the role of a SWAT member responding to a school shooting or play as the shooter terrorizing the school.
Officials: 14-Year-Old Shoots Classmate At Calif. High SchoolOfficials say a 14-year-old high school student has been taken into custody after shooting a classmate at their high school in the California city of Palmdale.
Pitt Students, FBI Form Partnership To Find Ways To Prevent Mass ShootingsSome local college students have teamed up with the Pittsburgh FBI Office.
Active Shooter In Harrisburg Killed, Officer Wounded A man was killed by police officers Friday in Harrisburg after police say he fired at marked police vehicles from multiple locations.
Standoff Ends In Greene Co. After Evacuations, School LockdownA heavy police presence remains on scene of a standoff situation at a home in Dry Tavern, Greene County.
Attacker Plows Into Crowd, Stabs People At Ohio State CampusA man plowed his car into a group of pedestrians at Ohio State University and then got out and began stabbing people with a butcher knife before he was shot and killed by an officer Monday morning, campus police said.
Expert: Preparation Is Key To Preventing Active Shooter SituationsIn the hours after the deadly shooting attack in San Bernardino, California, more is being learned about the security at the facility where it happened.