Independent Detective Case File

Mary Elizabeth Morgan

Also known as: Mary Elizabeth Pewitt

Homicide

Comanche, Stephens, Oklahoma, USA

Case Number #18
Date of Incident June 4, 1988
Age 25 DOB: 02/22/1963
Type of Case Homicide
Case Entry January 24, 2026
Last Updated July 28, 2026
Overview


When & Where:
On June 4, 1988, Mary was discovered dead inside her home on 611 North 10th St – Comanche, Stephens County, Oklahoma.

What Happened:
Mary was found brutally stabbed more than 30 times — primarily in the chest and neck — indicating an extremely violent attack. The injury pattern suggested defensive wounds, meaning she likely fought back against her assailant.

Discovery of the Body:
Her mother and two young daughters (ages 6 and 7) discovered her in the early morning. One of the daughters looked through a bedroom window and saw her mother covered in blood.

Last Known Movements:
The night before, Mary worked closing shift at Harold’s Club, the only bar in town. She reportedly dropped receipts off for the bar owner, returned home late at night, and was last seen alive around 12:45 a.m. with a friend. What occurred between then and the morning remains unknown.


🕵️‍♀️ Mary Morgan Pewitt Murder — Comanche, Oklahoma (1988) | Case Summary

Who:
Mary Morgan Pewitt, age 25, was a young mother of two daughters and a resident of Comanche, Oklahoma. She had been married three times by her mid-20s and was known for her strong personality and sometimes turbulent relationships.

When & Where:
On June 4, 1988, Mary was discovered dead inside her home in Comanche, Stephens County, Oklahoma.

What Happened:
Mary was found brutally stabbed more than 30 times — primarily in the chest and neck — indicating an extremely violent attack. The injury pattern suggested defensive wounds, meaning she likely fought back against her assailant.

Discovery of the Body:
Her mother and two young daughters (ages 6 and 7) discovered her in the early morning. One of the daughters looked through a bedroom window and saw her mother covered in blood.

Last Known Movements:
The night before, Mary worked closing shift at Harold’s Club, the only bar in town. She reportedly dropped receipts off for the bar owner, returned home late at night, and was last seen alive around 12:45 a.m. with a friend. What occurred between then and the morning remains unknown.

Investigation & Leads:

– The murder was initially handled by Comanche Police Department, then the Stephens County Sheriff’s Office, and eventually taken over by the Oklahoma State Bureau of Investigation (OSBI) cold case unit.
– Despite multiple suspects being considered — including men from past relationships and acquaintances — no arrests have ever been made.
– The brutal nature of the crime and lack of solid evidence left the case unsolved. The OSBI even featured Mary in their “cold case playing cards” deck to solicit information from inmates.

Family & Legacy:
Mary’s daughters grew up without their mother and have been outspoken in seeking justice and renewed investigative attention. The community continues to remember her case as Comanche’s only unsolved homicide from that era.

Reward & Public Appeal:
The OSBI at times offered rewards (up to $10,000) for information leading to an arrest, emphasizing that it’s never too late to come forward with tips.

Agency / ReferenceContact
Comanche Police Department and OSBI: 1-800-522-8017
Email: tips@osbi.ok.gov
Stephens County Crime Stoppers: 1-800-222-TIPS (8477)
DateEvent
June 1988Mary Elizabeth Morgan, a 25-year-old mother of two, is found murdered inside her home in Comanche, Oklahoma.
1988Investigators determine she was stabbed approximately 30 times during the attack.
1988Detectives interview witnesses, collect evidence, and pursue multiple leads, but no suspect is identified.
Late 1980s–1990sInvestigation remains active but produces no arrests.
2000sAdvances in forensic science lead many cold cases nationwide to be reexamined, though no public breakthrough is announced in Mary’s case.
June 2021Family members publicly renew their appeal for information during media coverage marking more than 33 years since the murder. (Comanche Times)
PresentThe homicide remains an open cold case with no arrests or publicly identified suspect. Authorities continue encouraging anyone with information to come forward. (Comanche Times)

Share Information

Every tip matters. Information, memories, photographs, timelines, or small details may help bring attention back to a case.

Contact Law Enforcement First

If your information could assist an active investigation, please contact the investigating agency directly first. Law enforcement can immediately evaluate credible information and take action when needed.

Information submitted through this website may be reviewed, documented, or shared publicly, but Independent Detective cannot investigate or respond the way authorities can.

What You Can Share

You may share information, memories, photographs, links, observations, corrections, or details you believe may be connected to a case.

Even something that seems insignificant could help move an investigation forward.

Respectful Discussion

Thoughts and theories are welcome, but please remain respectful.

Avoid identifying, accusing, or targeting individuals without supporting evidence.

Stay Connected

Subscribe free to receive notifications when new cases are added to the archive, important case developments occur, or new website features become available.

We respect your inbox and only send occasional updates that we believe are important to the community. You may unsubscribe at any time.

Leave a Reply

Map Location

Comanche, Oklahoma

On June 4, 1988

Location disclaimer: This map may identify only the general city or surrounding area. It should not be interpreted as the exact location where the homicide occurred, where a person went missing, or where any other case event took place unless an exact location has been independently confirmed and entered.

0 researchers are following this case