( CNN ) -- A registered sex offender was charged Wednesday with rape and murder in connection with the disappearance of a California girl . John Albert Gardner III , 30 , pleaded not guilty to all charges , which stem from last week 's disappearance of Chelsea King , 17 , of the San Diego , California , area . The charges against Gardner make him eligible for the death penalty , the San Diego County district attorney 's office said Wednesday . The office said it has not yet determined whether it will seek capital punishment . Gardner , of Lake Elsinore , California , will not be allowed to post bail . Gardner was also charged Wednesday with assault with intent to commit rape in connection with an attack on a jogger in December 2009 . Searchers found a body Tuesday that they believe to be King 's . Police arrested Gardner on Sunday . Gardner is a registered sex offender , according to Steve Walker , a spokesman for the San Diego County district attorney . King has been missing since February 25 . Investigators say she was last seen at her school in Poway , about 15 miles north of San Diego . Her car , with her cell phone inside , was found at Rancho Bernardo Community Park . On Tuesday , searchers found remains in a shallow grave at that park ; they were found along the shoreline of a tributary south of a lake , authorities said . `` There is strong likelihood that we have found Chelsea , '' San Diego County Sheriff William Gore said at a news conference Tuesday . He said he expected a positive identification of the body to come Wednesday . Follow local coverage on KGTV . The body was found in a heavily wooded area not visible from nearby homes . A shoe had been found earlier in the same area , the sheriff said . `` Now that we have filed charges , our primary focus is obtaining justice for Chelsea King and her family , '' San Diego County District Attorney Bonnie M. Dumanis said Wednesday . `` I also want to acknowledge the dedication of all the volunteers who helped in the search for Chelsea . '' Police said Wednesday that the garage door of the home of Gardner 's mother was spray-painted with a message saying that King 's blood is on her hands . `` Chelseas ( sic ) blood is on you move out , '' the message said , according to San Diego police spokesman Gary Hassen . Gardner 's next court appearance , a status hearing , is scheduled for Tuesday . His preliminary hearing is scheduled for March 18 .
John Albert Gardner III accused of raping , killing teen who disappeared last week . Police : Remains found in park Tuesday believed to be those of the teen , Chelsea King . King , 17 , was last seen at school ; her car , with cell phone inside , was found at park . Gardner is a registered sex offender , authorities say .