Los Angeles. August 19, 2007, a gunman approached a backyard party and fired into the crowd. Two people ended up dead and in a cruel twist of fate, they were brother and sister. July 22, 2011, father of three, Julian Jimenez Castaneda was murdered on his way home from his new job. "I know one of you is a friend of my son's and I know you are good kids. Please communicate with the detective."