DAKOTA CITY, Neb. (AP) — A South Sioux City man will spend up to 16 years in prison for killing his girlfriend, whose body was found stuffed in a window seat of their home.

The 54-year-old John Baker was sentenced on Monday to 11 to 16 years in prison for manslaughter and concealing the death of another person. He pleaded guilty in May in Dakota County District Court.

Baker was charged in the death of 47-year-old Kelly Alspach in October 2011.

Baker was later arrested in North Dakota. He was originally charged with second-degree murder but pleaded no contest to the lesser charges.