Washington ( CNN ) -- Twelve U.S. soldiers face a variety of charges in what military authorities believe was a conspiracy to murder Afghan civilians and cover it up , along with charges they used hashish , mutilated corpses and kept grisly souvenirs . Five soldiers face murder charges , while seven others are charged with participating in a coverup . All of the men were members of a 2nd Infantry Division brigade operating near Kandahar in southern Afghanistan in 2009 and 2010 . According to the military documents , Staff Sgt . Calvin Gibbs and four other soldiers were involved in throwing grenades at civilians and then shooting them in separate incidents . Three Afghan men died . Authorities allege Gibbs kept finger bones , leg bones and a tooth from Afghan corpses . Another soldier , Spc . Michael Gagnon II , allegedly kept a skull from a corpse , according to charging documents . Several soldiers are charged with taking pictures of the corpses , and one -- Spc . Corey Moore -- with stabbing a corpse . Staff Sgt . Robert Stevens is charged with lying to investigators about the deaths , saying the civilians posed a threat . Other soldiers are charged with assaulting Afghan civilians by shooting at them , and several soldiers face charges of failing to properly account for and dispose of weapons . Eight of the soldiers also are charged with using hashish and beating a junior soldier in an attempt to stop him from reporting them for misconduct , including hashish use . Gibbs is also charged with telling another soldier to lie about the incidents including the platoon 's involvement in illegal drug use . He is alleged to have told Spc . Adam Winfield , `` I 'm going to send you home by dropping a tow bar on you , '' if Winfield revealed information to investigators . Winfield is also charged with murder and conspiracy to commit murder in this case . Five soldiers were originally arrested in June and seven others were charged last month . The documents released by the Army this week are the most detailed disclosure of what the men are alleged to have done . The five facing murder charges are Gibbs , of Billings , Montana ; Pfc . Andrew Holmes of Boise , Idaho ; Winfield , of Cape Coral , Florida ; Spc . Michael Wagnon , of Las Vegas , Nevada ; and Spc . Jeremy Morlock of Wasilla , Alaska . The five are from the 5th Stryker Brigade . Holmes is accused of killing Afghan civilian Gul Mudin in January with a grenade and rifle . Winfield is accused of killing civilian Mullah Adahdad in May in a similar manner , and Wagnon is accused of shooting to death Marach Agha in February . Morlock and Gibbs each were charged with three counts of murder and one count of assault involving the same victims as in the cases against Holmes , Wagnon and Winfield . Stevens and Pfc . Ashton Moore are charged with conspiracy to commit aggravated assault with a dangerous weapon , and Sgt . Darren Jones is charged with conspiracy to commit assault and battery and conspiracy to commit aggravated assault with a dangerous weapon . Cpl . Emmitt R. Quintal , Staff Sgt . David Bram , Spc . Adam Kelly and Spc . Corey Moore are charged with conspiracy to commit assault and battery . Stevens is charged with wrongfully and wantonly engaging in conduct likely to cause death or bodily harm to other soldiers , and Jones , Quintal , Bram , Kelley and Corey Moore are charged with unlawfully striking another soldier .
NEW : Soldiers alleged to have kept bones , skull from Afghan civilians . Score: 7 Seven others accused of coverup .