Maine State Police say one man was killed and a woman wounded in a shooting Monday morning at this home on Route 220 in Waldoboro.

WALDOBORO — Detectives returned with a search warrant to a home at 2177 Friendship Road on Tuesday morning, which was the scene of a deadly shooting over the weekend.

One man died and his girlfriend was recovering from a gunshot wound to the face Tuesday.

Maine Department of Public Safety spokesman Stephen McCausland said Tuesday that investigators believe one of the two victims was the shooter. No one has been arrested or charged in connection with the shooting, which was reported about 9:30 a.m. Monday.

“There was no one else involved in the shooting,” McCausland said.

McCausland said other than the search of the home, investigators are counting on an interview with the surviving shooting victim, 25-year-old Arlene Lawless, who is at Maine Medical Center in Portland. Lawless had not yet been able to talk with investigators by midday Tuesday, McCausland said.

Norman P. Benner, 34, of Waldoboro was found dead in the home by his family members Monday morning. He and Lawless, who also was found Monday, rented the home and lived there with its owner. McCausland said investigators believe the shooting happened sometime over the weekend and that no one other than Benner and Lawless, who were dating, was involved.

Authorities said Monday that they expect Lawless to survive her injuries.

Police have interviewed homeowner Jeremy McPhee, who lived there with the two victims but was not home over the weekend, McCausland said. McPhee is not a suspect, he said.

McCausland said the autopsy of Benner’s body was under way, but that no results were expected Tuesday. State police are working with Waldoboro police and Lincoln County sheriff’s departments to investigate the circumstances surrounding the incident.