Under Siege star Steven Seagal is signing up to help volunteers potentially prevent the next school shooting.

Maricopa County Sheriff Joe Arpaio is planning a training exercise aimed at helping his volunteer posse members respond to school shootings….Action-film star and posse member Steven Seagal will serve as an instructor at the event.

Seagal is no stranger to off-screen heroics. The lanky actor previously starred in the reality series Steven Seagal: Lawman for A&E, a project which let the actor originally work alongside the sheriff’s lawmen.