Inked on the pudgy chest of a young Pico Rivera gangster who had been picked up and released on a minor offense was the scene of a 2004 liquor store slaying that had stumped Lloyd for more than four years.

Each key detail was right there: the Christmas lights that lined the roof of the liquor store where 23-year-old John Juarez was gunned down, the direction his body fell, the bowed street lamp across the way and the street sign — all under the chilling banner of RIVERA KILLS, a reference to the gang Rivera-13.