What if an 18-year-old's Apple Watch crash alert leads police straight to her door, but she swears she never left the house? Blood on her clothes wreck car outside, yet she denies everything. How far will the lies go? >> No, I'm good. >> You good? Where are you coming from? >> I'm coming from like downtown. I live right here. I swear to God. >> Okay. 2016 fire rescue >> female have lacerations >> I went to that but follow the area that's where there has to be a car or something you possibly hit someone else is what we're saying. Like if you know I know where you're at. >> That's what we're worried about because we know you're here. You're fine. >> No, I don't know about >> downtown. Hey, >> your seat belt at the time. >> I don't think I was. >> You didn't think you were wearing a seat belt? >> No, I mean I feel perfectly fine. >> No, but do you do you wear your seat belt when you drive? >> I think I was. >> Okay, so you were okay. >> She admits clubbing with a fake ID, drinking vodka cray and twisted tea, then driving home. Field test confirm impairment. Result: Arrested for DUI, leaving the scene and fake ID. A tough lesson. What would you say to her?