War Machine — I Could’ve Shot Christy Mack … If We Were in Texas

EXCLUSIVE

War Machine thinks his ex-gf Christy Mack got off easy when he beat the hell out of her — because he could have flat out killed her and gotten away with it if the attack went down in Texas. 

War Machine really believes he shouldn’t have been exciting at all … according to a jailhouse letter he recently wrote to a friend. TMZ…