John Tucker, Jacksonville, Fla., native and a law enforcement professional for 1st Battalion, 8th Cavalry Regiment, 2nd Brigade Combat Team, 1st Cavalry Division, supervises two Iraqi police investigative officers during a fingerprinting training at Joint Security Station McHenry in Hawijah, Iraq, Oct. 11. This is the fourth of five classes for these officers. All of the classes were aimed at improving their skills as investigators.