NEW : Georgia police chief steps down after being critical of the handling of the case . , Brunn said in court that he devised a plan to lure Jorelys -- whom he said he 'd never talked to before -- after he found one of her skates . " Brunn covered himself with a sweatshirt in a jail cell , investigators say . A medical examiner does n't find any ` ` other significant trauma '' on his body . He had pleaded guilty this morning to murdering 7-year - old Jorelys Rivera .
NEW : Georgia police chief steps down after being critical of the handling of the case . " Brunn covered himself with a sweatshirt in a jail cell , investigators say . A medical examiner does n't find any ` ` other significant trauma '' on his body . He had pleaded guilty this morning to murdering 7-year - old Jorelys Rivera .