Crime Solvers Central
CSC
263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
On an otherwise ordinary Wednesday in Edmond, Oklahoma, the morning of August 20, 1986, turned into a scene of unimaginable horror. Inside the Edmond Post Office, Jonna Ruth Gragert, a 30-year-old female employee, was going about her duties, unaware of the tragedy that was about to unfold and cut her life short. The workplace she knew would soon become a place of violence and remembrance.

The perpetrator, a part-time letter carrier named Patrick Sherrill, who was facing the possibility of ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Jonna Ruth Gragert, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month
Cancel anytime.
Already a member? Log in

Links to Additional Sources (9)

See any mistakes? Let us know!
  • Edmond Post Office Massacre | The Encyclopedia of Oklahoma History and Culture
  • MAIL CARRIER KILLS 14 IN POST OFFICE, THEN HIMSELF (Published 1986)
  • MEMBER ACCESS

    Unlock 7 additional sources

    View the complete collection of available reporting and reference links for this case.

    View All Case Sources — $3.97/month
    Cancel anytime.
    Already a member? Log in