A Los Angeles County woman and her four young grandchildren — including an infant — were found shot to death inside their home Sunday night. The children’s mother made the grisly discovery in the city of Lancaster shortly after 10:30 p.m., with the kids’ father later turning himself in to police, Fox affiliate KTTV reported Monday. Germarcus David, 29, is being held on $2 million bail after being hit with multiple homicide charges by the Los Angeles County Sheriff’s Department, the outlet reported. Deputies answering a “rescue responding” call at the home found the grandmother suffering from gunshot wounds to...