Seamus Gray, a 21-year-old U.S. Navy sailor, has been missing since Saturday when he was last seen leaving a bar near Lake Michigan in Waukegan, Illinois. Surveillance video showed him near Sheridan Road and Washington Street at 1:40 a.m. Search crews have exhausted their resources, and his mother is asking for help from anyone who knows anything. The Waukegan Police Department and U.S. Navy are both asking for information from anyone who may have seen Gray.