John Albert Gardner III accused of raping , killing teen who disappeared last week . Score: Investigators say she was last seen at her school in Poway , about 15 miles north of San Diego . 6 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 .
John Albert Gardner III accused of raping , killing teen who disappeared last week . Score: 6 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 .