Run, Hide or Fight: Tips to Survive Mass Shooting

Run, Hide or Fight: Tips to Survive a Mass Shooting In 2010 there were 30 "active shooter" attacks in the U.S., according to John Bruner, a 20-year law-enforcement veteran who is the former Chief County Detective with the Greene County (Pa.) District Attorney's Office. That's more than the 1960s and 1970s combined, he added.