March 28 update: Kayleen Miller has been found by the Lavergne City Police Department in Tennessee. She is safe and being turned over to her parents. The investigation into all of the circumstances surrounding this incident are still continuing this morning.
Sheriff's deputies are looking for a teenager who ran away from home.
The parents of 15-year-old Kayleen Miller say they haven't seen her since Monday night. They believe she may have left the state with a 21-year-old man.
Authorities in Grand Traverse County have issued an alert to all northern Michigan authorities to be on the lookout for Miller.
Miller's parents say they believe the two were going to either Tennessee or Florida and were driving a pickup truck.
Anyone with information is asked to contact the Grand Traverse County Sheriff's Department at 231-995-5000.