"Your options are run, hide, or fight. What we tell (people) is the fact of the matter is, active shooters kill most of their victims in 10 minutes or less. And the best police in the country will have a five to ten minute response." says Lanier. "If you're in a position to try and take the gunman down, to take the gunman out, it's the best option for saving lives before police can get there."