kind of situations. so they really didn t know what they had. reporter: homicide detectives derek mois and ryan davis. i do a cursory walk through the residence. they show me where jessyka was at. she s in the bathtub. and oddly enough, her clothes were in the bathtub with her. reporter: but not on her? not on her. nope. they were laying near her feet. the couch in the living room had blood all over it, so my initial reaction was maybe there was some sort of medical emergency that occurred on the couch, she had gone to the bathroom maybe to clean herself off and had collapsed and succumbed to whatever medical emergency she was having. there wasn t any obvious signs of trauma on her body. she had a small bruise on the side of her neck. it didn t look like any sort of a reporter: could ve gotten it any way? yeah. it didn t look like she was assaulted. reporter: but there was something off, too. didn t quite look right. they decided to treat it like a homicide. becau
son, who d grieved with the nelson family and was like a second brother to jessyka. they d always had an easy, teasing sort of relationship. so, of course, they d texted each other. but officer herfordt didn t know any of that when the texts caught his attention. there was just something weird about them. just the way that he was he would be constantly asking her, basically, out to do stuff. he would say, hey, do you want to go bowling? and she would be like, you know what, i ve got to clean up the house. and then he would be like, oh, well, i can come over and maybe help you clean up the house? and then she d reply, like, oh, you know what? i m almost done. don t worry about it. and now i m really tired. so i m just going to go to bed. something like that. and it was like this over and over. so i talked to the sergeant who was in charge and said that maybe we need to kind of figure out who this person is. reporter: jessyka s friends and family said that sort of back and