ROANOKE, Va. - A Roanoke man admitted to killing his grandmother in 2018. In court Friday morning, Dontae Brown pleaded guilty to murdering 64-year-old Charlotte Brewster in September of last year. Authorities say Brewster had taken out a protective order against her grandson, but he was with her when police found her badly beaten in her home. Under a plea deal, a judge gave Brown a life sentence, which will be suspended after he serves 25 years. Copyright 2019 by WSLS 10 - All rights reserved.