A woman carries groceries at the apartment complex on Peck Road in Monrovia where two girls were shot, one fatally, last week. The recent violence involves a long-established black street gang and two Latino gangs. (Gina Ferazzi / Los Angeles Times)
Flowers, cards and candles mark the spot where Samantha Salas was gunned down. A law enforcement task force has served search warrants and arrested three suspects (Gina Ferazzi / Los Angeles Times)