The Creek County Sheriff and Oklahoma Bureau of Investigation said they want to speak to a man who may have "crucial information" in the case of a man found dead in a ditch Wednesday near Kellyville.
The sheriff's office and OSBI agents said they would like to speak with Robert Firethunder in the homicide investigation.
The body of 18-year-old Nickolas Martinez was found September 20 in a rural area in Creek County.
9/20/2017 Related Story: Body Found In Ditch Near Kellyville; OSBI Investigating
A homeowner called police at about 3:15 p.m. on September 20 after finding Martinez's body on their property off Highway 66. His body was found covered with a cloth.
Investigators said they believe he was killed within the few days of his body being found.
Investigators are also looking for a light-colored, four-door SUV that they said the victim was last seen in as a passenger.
The Creek County Sheriff urges anyone with information in the case, Firethunder’s whereabouts or for the SUV to contact them at 918-224-4964.