@abcnews: Four fatal shootings that occurred in Los Angeles this week — including the unprovoked killings of three men who were all experiencing homelessness — have been linked to one suspect, police said. The suspect, identified as Jerrid Joseph Powell, 33, was arrested on Saturday in the killings of the three unhoused men, who were shot while sleeping alone on a sidewalk or an alley, police said. Hewas already in custody for another homicide that occurred in Los Angeles this week involving a home robbery, police said.