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 .

The officer driving Self_motion the van was charged Judgment_communication with second-degree `` depraved-heart '' murder Killing for his indifference to the considerable risk that Gray might be killed Killing , and others were charged Judgment_communication with crimes Committing_crime ranging from manslaughter Killing to illegal Legality arrest Arrest .

In December 2017 , Slager was sentenced Legal_rulings to 20 years in prison , with the judge determining Deciding the underlying offense was second-degree murder Committing_crime .