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Case Description

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Tammy Dawn Risenhoover, a 19-year-old from Tulsa, Oklahoma, went missing under suspicious circumstances in early 1984. Although her family didn't report her disappearance until March 6, 1990, she was last seen in February 1984. Tammy was associated with a local motorcycle gang at the time, raising concerns that foul play may have been involved in her disappearance. She had a medical history of epilepsy and was described as 5'2" to 5'3" tall, weighing between 130 and 135 ...Read More
Last Seen: Feb 01, 1984

Victim Details

Sep 30, 2010

Mar 15, 2023

Tammy

Risenhoover

59

19

62 inches

63 inches

130 lbs

135 lbs

White / Caucasian

Female

In the early months of 1984, a 19-year-old woman named Tammy Dawn Risenhoover vanished from Tulsa, Oklahoma. The specific date of her disappearance remains uncertain, a detail that mirrors the many unanswered questions that have shrouded her case for decades. Tammy, a female with dark brown hair and hazel eyes, stood between 5'2" and 5'3" and weighed approximately 130 pounds. She had a distinct purplish-colored birthmark on the back of her neck at the hairline and occasionally wore glasses. Compounding the mystery is the fact that she was not officially reported as a missing person until March 6, 1990, a full six years after she was last seen. The circumstances surrounding Tammy's disappearance are considered suspicious by law enforcement, and they strongly suspect that she was a victim of foul play. At the time she went missing, she was known to be associated with a local motorcycle gang. This connection has been a focal point of the investigation, suggesting a potentially dangerous environment that may have contributed to her disappearance. Tammy also had a history of epilepsy, a medical condition that could have made her vulnerable. The combination of her associations and the suspicious nature of her vanishing has led investigators to believe that she did not leave on her own accord. Decades have passed since Tammy Risenhoover was last seen, and her case has grown cold, filed away among the unsolved mysteries of the Tulsa Police Department. The significant delay in reporting her missing created a formidable obstacle for investigators, as the crucial early days of the investigation, when memories are freshest and evidence is most readily available, were lost. Over the years, her story has been shared by various organizations dedicated to finding the missing, hoping to jog someone's memory or unearth a new lead. The overview of Tammy's case is a narrative of profound loss and lingering uncertainty. A young woman on the cusp of adulthood disappeared, leaving behind a family to grapple with her absence and a community with an enduring mystery. The lack of resolution in her case highlights the painful reality for many families of the missing, who are left to wonder about the fate of their loved ones.

Feb 01, 1984

Tulsa

Oklahoma

Tulsa County

Unknown

9095

Tulsa Police Department

Tulsa

Oklahoma

Tulsa County

74103

Joe Campbell

Detective Sergeant

600 Civic Center, Oklahoma

9185969143

Local

Law Enforcement

https://TulsaPolice.org

1990-126552

1990-03-06

Tulsa Police Department

Brown

Hazel

Hazel

06/25/2026


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