Authorities probe whether , Albert Gardner , was involved in Amber King ' disappearance . Gardner , a registered sex offender , has pleaded not guilty to kidnapping Chelsea King , 17 . Amber was last seen walking to school on February 13 , 2009 , a few blocks from Chelsea 's school . Carrie McGonigle does n't want to believe that her missing daughter could be connected to a registered sex offender accused of killing a California teen . ` Was also last seen at school ; her car was found in park last week .
Authorities probe whether , Albert Gardner , was involved in Amber King ' disappearance . Gardner , a registered sex offender , has pleaded not guilty to kidnapping Chelsea King , 17 . Amber was last seen walking to school on February 13 , 2009 , a few blocks from Chelsea 's school . Was also last seen at school ; her car was found in park last week .