The execution of an Iraqi man by Camp Pendleton servicemen began as fantasy fueled by a low-budget movie, combat frustrations and the idea of bumping off bad guys for the greater good, an officer testified yesterday. The fantasy ended with seven Marines and a Navy corpsman snatching a grandfather from his bed, then pumping bullets into him on the outskirts of Hamdaniya, Iraq, in April 2006. Yesterday, 2nd Lt. Nathan Phan said he, Sgt. Lawrence G. Hutchins III and other Marines from Kilo Company, 3rd Battalion, 5th Marine Regiment talked regularly about killing local Iraqi crime figures, who often are...