Bruce Siddle, the author of "Sharpening the Warrior's Edge," will be a keynote speaker at TREXPO East in Chantilly, Va., August 21-24, 2007.
Siddle, a law enforcement veteran and an internationally recognized expert in the study of combat human factors, survival human factors, and use-of-force training, will speak on Wednesday, August 22, from 0800-1000 hrs.

