so police bring angelika to the barracks.her to the interrogation room, and the unblinking gaze of the camera. >> got your water, right? >> yeah. >> how you feeling? >> cold. >> cold? >> reporter: angelika is about to talk her way into a jail cell. >> you have the right to remain silent. anything you say can and will be used against you in a court of law. >> reporter: police say earlier that day, angelika told them she did nothing to help vince. but that's not what she says in the interrogation room. >> you watched him drown. i know it's difficult. i know this. >> no. i didn't just watch him drown. i tried to do something about it. >> now, did you really wanna save him? >> yeah. yeah. somehow. if he did not say call 911, i would have paddled the [ bleep ] out of myself and got to him somehow. >> reporter: while the detective interrogates angelika, defense attorney rich portale says other officers search her and vince's apartment and find one of his guns is missing. >> and when they realized there was a gun missing, that's whe