The City of Houston Mayor's Office — with financial assistance from the Department of Homeland Security — has produced a public service announcement aimed at helping individuals caught in the crossfire of an "active shooter event" escape unharmed.

Released three days after the Aurora theater massacre, the instructional video compares a workplace mass shooting to an "action movie," and boils the steps necessary to survive the shooting down to three: Run, hide, fight.

[Buzzfeed]