CLARKSVILLE, Tenn. -- It started as a game of phone tag between police and a man in Jamaica who was concerned his father was being scammed. "I don't know how many phone calls I made to them, but I bet it was probably over 20," said Sgt. Johnny Ransdell. Countless calls and two visits to a man's house later, police realized something wasn't right. "After we figured out that Mr. Gibbs didn't have a son that was named David and that the welfare check was just a way to lure us in and to get us involved in the scam,...