Stanley is a man who Sheriff Alex Romero interviewed in connection with the discovery of Lindsay Davis' body in the marshes.
He said that when he was there fishing five days earlier, he came across Clay DuFont who stated he was bird watching but Stanley noticed that he didn't have a camera or binoculars with him. It was only when he read about Lindsay's death the following day that he began to get suspicious but never said anything as he wasn't asked.