told was this. on the night of sunday, june 16th, 2019, mackenzie had boarded a flight from los angeles back to utah. arriving in salt lake city around 1:35 am, monday. at 2:01 am, she texted her mom to say she landed safely. after that, three days of silence. to patrol officers went straight away to mackenzie's town house. her car was in the driveway. that was a good sign. repeated knocks at the door, however, went unanswered. peering through a window, the officers saw nothing. not a soul around. they called mackenzie's that to report the news. and next, the officers phoned mackenzie's friends, bus and professors. none of them had seen her.