MSNBC Dateline October 20, 2019 07:27:00
Two women coping with terrible tragedies, neither willing to accept the sheriff's department's conclusions. mary was about to make some incredible accusations and she wouldn't back down. >> could rebecca have been killed? a second autopsy magnifies the mystery. coming up -- >> some deep bruising and internal bleeding which couldn't be explained by hanging. >> reporter: but could be explained by what? >> by somebody knocking her down from behind and hog tying her. something along those lines. a struggle. >> a twist was coming. >> reporter: did you have anything to do with rebecca's death? >> ab...