(MSC News)--A northwest Missouri man has been sentenced to life in prison for the beating death of his grandmother in September 2017.

KQ2-TV reports 29-year-old Robert Ray Forrester was sentenced Thursday in Buchanan County Circuit Court on a charge of second-degree murder.

Forrester pleaded guilty in July to the charge.

The body of 77-year-old Beverly Forrester was found in her St. Joseph home in the 300 block of Yale Street on September 21, 2017 after police were called to a disturbance at the residence.