a secret life uncovered. she was on a dating site looking for sugar daddies. going into it blindly is not something i would recommend. chilling details revealed. is this guy dodging us? he kind of selected her as his victim? correct. of course, the bottom of the big site there was a damaged iphone. it looks like maybe clothing. it was just a sinking feeling, really. i just ripley this one night i had with her and i just want to grab her and say don t do it. don t go. hello and welcome to dateline . college student mackenzie lueck was diving into adulthood, eager to find her path. her family and friends knew her as fun, responsible and always careful. then one night, mackenzie vanished. a trail of electronic clues helped investigators retrace her steps and exposed a dark underworld were evil was hiding behind webs of lives. here s keith morrison with the waiting car . our minds have a curious way of deceiving us. we sense something off, something wron