( CNN ) -- Five U.S. soldiers facing murder charges in the deaths of three Afghan civilians earlier this year have now been charged with `` conspiracy to commit premeditated murder , '' and seven more soldiers have been charged in connection with the probe into the incidents . The five facing murder charges are Pfc . Andrew Holmes of Boise , Idaho ; Spc . Adam Winfield of Cape Coral , Florida ; Spc . Michael Wagnon of Las Vegas , Nevada ; Spc . Jeremy Morlock of Wasilla , Alaska ; and Staff Sgt . Calvin Gibbs of Billings , Montana . They are from the 5th Stryker Brigade . The alleged killings took place at or near Forward Operating Base Ramrod in southern Afghanistan 's volatile Kandahar province . In June , the five were charged with murder . Holmes was 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 . 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 . On Wednesday , the military added conspiracy and other additional charges against the five . Morlock , Holmes , and Winfield were charged with wrongfully using a Schedule I controlled substance . Charges were also filed against seven other soldiers from the 5th Stryker Brigade , the military said Wednesday , but none involve murder or conspiracy to commit murder . The seven are Staff Sgt . Robert Stevens , Sgt . Darren Jones , Cpl . Emmitt R. Quintal , Staff Sgt . David Bram , Pfc . Ashton A. Moore , Spc . Adam Kelly and Spc . Corey Moore . All were charged with conspiracy-related and other charges . Stevens and Ashton Moore were charged with conspiracy to commit aggravated assault with a dangerous weapon . Jones was charged with conspiracy to commit assault and battery and conspiracy to commt aggravated assault with a dangerous weapon . Quintal , Bram , Kelly and Corey Moore were charged with conspiracy to commit assault and battery . Stevens was charged with wrongfully and wantonly engaging in conduct likely to cause death or bodily harm to other soldiers . Jones , Quintal , Bram , Kelley and Corey Moore were charged with unlawfully striking another soldier .
The case stems from the killing of three civilians . The soldiers are from the 5th Stryker Brigade . Score: 7