Mark Austin Dunne

Dunne, circa 2017

  • Missing Since 03/18/2017
  • Missing From Phoenix, Arizona
  • Classification Endangered Missing
  • Sex Male
  • Race White
  • Date of Birth 05/18/1992 (28)
  • Age 24 years old
  • Height and Weight 6'3, 210 pounds
  • Medical Conditions Dunne suffers from bipolar disorder.
  • Distinguishing Characteristics Caucasian male. Brown hair, green eyes. Dunne may have a mustache and beard. He has a tattoo of the word "Patience" in cursive lettering on the right side of his ribcage.

Details of Disappearance

Dunne last contacted his family on March 18, 2017. He frequented the Phoenix and Tempe, Arizona areas at the time of his disappearance, and was staying in a homeless shelter in Phoenix. He would contact his mother in Montana every couple of months, but then the calls suddenly stopped and he has never been heard from again.

According to Dunne's family, he was a "free spirit" who worked odd jobs and was sometimes homeless as he struggled with his mental illness. His family would offer him help, but he always refused it. Foul play is not suspected in Dunne's disappearance, but given the lack of evidence authorities are concerned for his safety. His case remains unsolved.

Investigating Agency

  • Phoenix Police Department 602-261-8065

Source Information

Updated 2 times since October 12, 2004. Last updated July 2, 2020; medical conditions added, details of disappearance updated.