Active Shooter Information

If you believe an active shooter situation is occurring call 911 immediately. If you have information about a potential active shooter situation call 410-268-4141 or 911 in an emergency.

Informational Documents


This poster, pocket card, and booklet provide some suggested responses to an active shooter situation. These documents were produced by the U.S. Department of Homeland Security (DHS) for businesses and citizens.
  • Active Shooter Poster
  • Active Shooter Pocket Card
  • Active Shooter Booklet
  • Active Shooter Poster - Spanish
  • Active Shooter Pocket Card - Spanish