Attendees to the POLICE-TREXPO 2011 conference in Chantilly, Va., from Aug. 10-12 had the chance to hear Lt. Col. Dave Grossman give the keynote, "The Bulletproof Mind: Psychological and Physiological Preparation for Combat." They were also able to take advantage of a pair of defensive-tactics traing sessions, including Al Giusto's techniques for disarming suspects armed with edged weapons . Range Night included an instructional session from Chris Cerino of "Top Shot" fame.
POLICE-TREXPO 2011 In Pictures

Attendees were able to try out various companies' firearms at the live-fire Range Night.

Rocky Boots displays their footwear in the exposition hall.

Ron Rogers of RUAG Ammotec gives a close-range demonstration of the company's frangible rounds.

A frangible shotgun round being shot through gelatin mimics the effect on a human body. The cloud of dust can be seen behind the target.

Al Giusto demonstrates ways to disarm and neutralize a knife-wielding attacker.

International Cartridge sponsored the live-fire demonstration. Frangible rounds were fired into a metal box, and the powder was collected to be shown to attendees.

Chris Cerino of "Top Shot" fame led a live-fire training session on Wednesday.

Al Giusto of Combined Combatives taught a defensive tactics class on Thursday.

Royal Arms provided flash-bang rounds such as this that were launched from a shotgun.

Tactical Robots brought a mobile surveillance robot for tactical teams.

A show attendee tests out a Ti Training use-of-force simulator.

A vendor representative gives a demonstration with a training weapon.