What really happened in border shooting? By PAULINE ARRILLAGA, AP National Writer FABENS, Texas - The prairie where it all happened is quiet now, but for the occasional Border Patrol vehicle passing by. A sign rests near a muddy ditch, "Stop Illegal Immigration," left behind by protesters who have visited in homage to two ex-agents, imprisoned for shooting a drug smuggler in the backside as he sprinted toward Mexico. Former U.S. Border Patrol Agent David Ham points toward the location at Fabens, Texas, on Monday, Feb. 5, 2007, where former Border Patrol Agents Ignacio Ramos and Jose Alonso Compean...