It could happen at any time and at any place. Would you know how to respond if you were faced with an active shooter. There are three things to remember: Run. Hide. Fight. This video, produced by the City of Houston Mayor’s Office of Public Safety and Homeland Security, dramatizes an active shooter incident in the workplace. Its purpose is to educate the public on how to respond during such an incident. WARNING: THE INITIAL SEQUENCE IN THIS VIDEO MAY BE DISTURBING.