The search for a St. Francis man police suspect in the shooting death of his girlfriend continued in St. Francis, a small town in northern Aroostook County, on Sunday.

Jesse Marquis, 38, was still at large late Sunday night after the fatal shooting of Amy Theriault, 31, at a home at 754 Main St., in St. Francis on Saturday morning.

There has been no sign of him, said Stephen McCausland, spokesman for the Maine Department of Public Safety.

Marquis was last seen shortly after the shooting at 5:45 a.m. Saturday entering the woods behind the home with a rifle.

Maine State Police, the Maine Warden Service, the Aroostook County Sheriff’s Office and federal border officials are involved in the search around St. Francis, which is on the Canadian border.

Police describe Marquis as 5-foot-7 and 150 pounds with blue eyes and black hair. He was wearing bluejeans, a green hooded sweatshirt and a Cabela’s ball cap. He is described as armed and dangerous.

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