LOS ANGELES (AP) - In a murderous quest aimed at "cleansing" their turf of snitches and rival gangsters, members of one of Los Angeles County's most vicious Latino gangs sometimes killed people just because of their race, an investigation found. There were even instances in which Florencia 13 leaders ordered killings of black gangsters and then, when the intended victim couldn't be located, said "Well, shoot any black you see," Los Angeles County Sheriff Lee Baca said. "In certain cases some murders were just purely motivated on killing a black person," Baca said. Authorities say there were 20 murders among...