active shooter

Update: Several injured in shooting at Iowa high school

'Armed and dangerous person’ on the UNC-Chapel Hill campus

Maine West High School evacuated after ‘active shooter’ alarm apparently goes off by accident

Oak Lawn Community HS among latest Illinois schools victimized by fake active shooter threat

UPDATE: 21 Prank school shooter calls prompted police response at Illinois schools

Highland Park massacre survivor speaks at Nashville news conference: 'How is this still happening?'

'Good Samaritan' shoots gunman after he opens fire in food court, killing 3

Kane sheriff sponsors workshops for public to defend against active-shooter scenarios

Active shooter incidents rising across the country

High schooler charged with raping fellow student during active shooter drill