(St. Cloud, MN)  --  Authorities say the man found dead near St. Cloud Regional Airport last weekend was a homicide victim.  The Sherburne County Sheriff's Office says autopsy results show 25-year-old Tyler Ecklund died of a gunshot wound.  Investigators say Ecklund's body was discovered outside a vacant lot last Saturday night.  A reward is offered for information that leads to an arrest in the case.  Tips can be made to Tri-County Crime Stoppers (320-255-1301).