The following contains MAJOR SPOILERS from "What's Left Behind," the 15th episode of the CBS series "Moonlight." “How do you tell a man twice your age that you’re his father?” This is the issue that Mick St. John (Alex O’Loughlin) faces when he works on a case that reminds him of “What’s Left Behind.” A young boy, Jacob (Daniel Goldman from “Dexter”), who believed he heard monsters in the wall, is kidnapped. Mick suspects it might be a vampire who kidnapped him. ADA Hottie Ben Talbot (Eric Winter) is on the case, and asks Beth (Sophia Myles) to help out, because she had covered two other unsolved cases like this while working at Buzzwire. The house is an old home, which has a coal chute that had tunnels that went through the walls and allowed him access to space in the ceilings and floors. ...