jeff dills. e biker friend who brought her over to his house and into his hot tub that night. >> did anything happen in the jacuzzi? >> no. >> did you and jeff have anything going on? >> no. no. >> reporter: well, that's not true. and when jeff dills comes in for questioning, his story isn't just different, it's damning. >> did she say anything about not to say anything about the night before? >> she says the cops are going to want to talk to you. i said that's fine, no problem. i said, did you tell them that we [ bleep ]? she says no, i didn't. she said please don't tell them that. >> why lie about having sex with jeff dills? you're possibly a suspect for murder. >> yeah, i was just embarrassed. like who wants to tell them, by the way, i ran off with some other dude. having sex with somebody doesn't make you a murderer. >> reporter: true. but your lover's statements just might. dills continues to bury kim, telling police she had a motive. >> she's man, i could just kick his [ bleep ]. you know, t