Oscar Grant III was a 22-year-old African-American man who was fatally shot Use_firearm in the early morning hours of New Year 's Day 2009 by BART Police Officer Johannes Mehserle in Oakland , California .

While Pirone held Grant down in a prone position , Mehserle drew Motion his pistol and shot Use_firearm Grant in the back .

On January 30 , 2010 , Alameda County prosecutors charged Judgment_communication Officer Mehserle with second-degree murder Killing in their indictment for the shooting Use_firearm .

Mehserle resigned GiveUp from his position and pleaded Judgment_communication not guilty .

On July 8 , 2010 , Mehserle was found Know guilty of involuntary manslaughter and not guilty of the murder Killing charge and voluntary manslaughter .

On November 5 , 2010 , Mehserle was sentenced Legal_rulings to two years , minus time served .

On June 13 , 2011 , Mehserle was released Releasing under parole after serving Assistance 11 months .