MEXICO, Maine (NEWS CENTER) -- State police say a Mexico man was shot in the head early this morning at his mobile home.

Police say 30-year-old Thomas Joudrey was taken to Maine Medical Center, where he is in grave condition.

Detectives say Joudrey and two other men were at the home at the time of the shooting. One of those two, Robert Terrill, 28, left the scene before police arrived. They are trying to find him. Terrill is six feet tall and weighs about 175 pounds. He left the scene on foot wearing tan pants, a black tee shirt and carrying an olive green duffle bag. Anyone with information on Terrill's whereabouts is asked to call 911.  Police say he also goes by the name Robert Lee.

The third man inside the mobile home has been questioned. The shooting took place at 9 Riverside Park, which is off Route 2, near the Wal-Mart store in Mexico. Police were called to the scene about 4:20 a.m.