>> when i was with her, when we were having sex, no. >> reporter: matt barnett tells police their sexaisy only drank to excess afterwards. >> when you picked her up at her house, was she drunk? >> i wouldn't say drunk, i'd say she was -- >> buzzed? >> yeah, buzzed. >> then you took her home, you and her talked, you had sex. then she came out after having sex, wanted to have another shot. >> yeah. >> reporter: critical point in the investigation that followed because in missouri, a 14-year-old girl can't consent to sex if she's incaps tated. and tonight, never before heard accounts from the other boys present that night. like jordan zech. >> and then they went back into the bedroom and had sex again? >> no, matt said he didn't have sex with her the 2nd time because he couldn't get a [ bleep ]. >> reporter: paige, who was waiting in another room, describes her friend daisy as completely wasted and couldn't even walk. >> and they just started panicking a lot, saying "how are we going to get her dropped off, without her brothers waking up, without them hearing us." so they brought us back