Ruben Jurado , 19 , `` will deny any and all allegations , '' his attorney says . Jurado is accused of shooting Army Spc . Ivan Lopez in the head on a military base near San Antonio last month as he tried to escape from an interrogation by U.S. soldiers who were trying to question him about alleged links between members of al Qaeda and Sullivan , wounded in Afghanistan , was being welcomed home after recuperation . Jurado and Sullivan 's brother were arguing about football , mother says .
Ruben Jurado , 19 , `` will deny any and all allegations , '' his attorney says . Jurado is accused of shooting Army Spc . Christopher Sullivan at a party . Sullivan , wounded in Afghanistan , was being welcomed home after recuperation . Jurado and Sullivan 's brother were arguing about football , mother says .