One of the remaining 10 defendants charged in the November robbery, beating and fatal stabbing of an Olney teenager over his designer coat at the Woodley Park Metro station pleaded guilty in D.C. Superior Court Tuesday.

Gary Maye, 17, of Hyattsville pleaded guilty to charges including voluntary manslaughter and armed robbery in the death of Olijawon E. Griffin, 18.

Since the attack, five teens, including Maye, who were charged as adults and two teens who were charged as juveniles have pleaded guilty in the case.