bond for days by injecting heroin into her neck. >> she was not free to live and she was not free to use the phone. >> reporter: days later, prosecutors say rachial bond helped mccarthy take the bag with bella's body in it, put weights inside, and dump it in boston harbor. it was discovered by a woman on the shores of deer island on june 25th. when investigators came to search bella bond's home, they found a child's clothing but no sign of any child. they also found books about demons and ghosts, prosecutors say michael mccarthy told others he could see demons and ghosts and knew how to exorcise them. sprinsky told investigators before he moved out, he witness dollars bella being called a demon. and her mother and boyfriend locking her in a closet for up to an hour at a time. mccarthy's defense lawyer says his client is deeply saddened by bella's death and had nothing to do with it. >> she believed that dcf had taken her.