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Case Description

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Stephan Mitchell Adams, a 26-year-old student at Northeastern State University, was last seen on December 13, 2004, in Tahlequah, Oklahoma. After completing a final exam, Stephan spoke with his girlfriend, informing her that he was giving a man a ride to Keys, Oklahoma, and that he would call her later. This was the last known contact anyone had with him. He was seen shortly after at a convenience store in Cookson, Oklahoma, appearing upset. Stephan, who drove a white 1995 GMC truck with Oklahom ...Read More
Last Seen: Dec 13, 2004

Victim Details

Dec 12, 2008

Feb 21, 2024

Stephan

Adams

45

26

67 inches

200 lbs

American Indian / Alaska Native

Male

On December 13, 2004, a 26-year-old Native American male named Stephan Mitchell Adams vanished from Tahlequah, Oklahoma. A student at Northeastern State University, Stephan had just completed a final exam that morning. At approximately 11:00 a.m., he spoke with his girlfriend on the phone, telling her the exam went well and that he was giving a man a ride to Keys, Oklahoma. This was the last time anyone is known to have heard from him. Shortly after this call, attempts to reach Stephan went unanswered, with his phone ringing once before going to voicemail and subsequent calls going directly to voicemail. He was reportedly seen between 11:30 a.m. and noon at a convenience store in Cookson, Oklahoma, where he appeared agitated and upset. He purchased a soda, stood outside for a few minutes, and then left alone in his white 1995 GMC pickup truck. Neither Stephan nor his vehicle have been seen since. Stephan's disappearance was immediately considered suspicious by authorities. He was in the midst of a contentious, two-year-long custody battle with his ex-wife over their daughter. A significant court hearing regarding the custody arrangement was scheduled for just a few days after he went missing, a timing that investigators do not believe to be a coincidence. In the weeks following his disappearance, Stephan's family reportedly received a threatening phone call from an unknown individual, warning them to stop the investigation. All of his personal belongings, including money and his asthma inhaler, were left behind, and there has been no activity on his credit cards or cell phone since the day he vanished. The investigation into Stephan Adams's disappearance has spanned years, yet remains unsolved. Authorities have sought to identify a man who was seen at a Dollar General store near Stephan's apartment on the morning he went missing, believing he may have information pertinent to the case. This individual, described as a white male between 40 and 50 years old at the time, was seen loitering for several hours before leaving around the time Stephan disappeared. While not officially named a suspect, investigators feel he could provide crucial details. The custody dispute remains a central focus of the investigation, with foul play strongly suspected. Despite the passage of time, the case remains open, leaving his family with unanswered questions about the fate of the young father who was working towards an engineering degree.

Dec 13, 2004

Tahlequah

Oklahoma

Cherokee County

74464

Yes

6718

Oklahoma State Bureau of Investigation - Northeast Investigative Regional Office

Tulsa

Oklahoma

Tulsa County

74119

Dale Fine

Special Agent

125 West 15th Street #100, Tulsa, OK 74119, Oklahoma

9185829075

State

Law Enforcement

CR04-180

2004-12-13

Oklahoma State Bureau of Investigation - Northeast Investigative Regional Office

5649

Brown

Brown

Brown

06/18/2026


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