Police One
Primary and Secondary
Operation Specific Training
How To Use Pistol Sights
American Cop Magazine
The Tactical Wire
Warren's Writing
Warren has been published in several magazines and blogs since 2012. He has written over 130 magazine-length articles. Click below to read some of his favorites.
The Devolution of the American Police Officer
The 21-Foot Principle (Not Rule)
Modern Service Weapons