Los Angeles police are searching for a suspect in the fatal shootings of three homeless people in separate incidents around the city

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,

Los Angeles leaders are warning that a potential serial killer has been linked to at least three fatal shootings in the past week.