Exclusive: Friend of missing 23-year-old Mackenzie Lueck speaks out about disappearance  Fox NewsPolice looking into University of Utah student's social media, 'dating accounts' after disappearance  Fox NewsSearch intensifies for missing Utah college student  ABC NewsFriend thinks MacKenzie Lueck is in danger after meeting person at Utah park  KUTV 2NewsMissing Student Last Seen Meeting Someone In A Park By Her Lyft Driver, Police Say | TIME  TIMEView full coverage on Google News