>> yeah. >> reporter: after two days on life support, jaxson died.nized over whether she should tell police about her suspicions. >> she had said, you know, "what if they wanna talk to me?" i'm like, "you talk," you know? >> reporter: but the more halee's mom thought about it, the more she worried what might happen to halee if she spoke out. thaddious had a bad reputation around town. halee could be poking a hornet's nest. >> she absolutely could have. >> reporter: if she starts making accusations. now halee was dead. and heather wondered if her fears had come true had thaddious killed halee to shut her up? >> i just felt like you know, he was looking at some pretty serious charges if i had to think of people who had reasons to hurt her, that would have been number one. >> reporter: the day after halee was murdered someone sent heather this snapchat video. it was thaddious brandishing a gun. you got that video, so that must have really heightened -- >> oh, the video was -- >> reporter: --your suspicion. >> --huge. i was positive at that point. >> rep