(KMOV.com) -- A Lincoln County man who killed his girlfriend's mother has been sentenced to 25 years in prison.
William Galvin was living with Bonnie Lee Brown at the time of her death in 2011.
Brown's body was found in a home near Winfield, where police found her strangled.
She was recovering from a stroke at the time.
Police also accused Gavin of trying to steal from Brown, but those charges were later dropped.