By Marisol Bello
With every clue, every witness and every surveillance tape, Escambia County Sheriff's investigators are asking as many questions as they can answer in the shooting deaths of a Pensacola, Fla., couple known for adopting 13 special-needs children.
Byrd and Melanie Billings were shot to death Thursday night after a home invasion and robbery that involved as many as seven men, Sheriff David Morgan said at a news conference Monday. Nine of their children were in the house but were unharmed, he said.
Florida couple's killing frustrating police authorities