Former Ada Resident Pleads Guilty To Involuntary Manslaughter

MUSKOGEE, OKLAHOMA – The United States Attorney’s Office for the Eastern District of Oklahoma announced that Heather Lynn Harjo, age 39, formerly of Ada, Oklahoma, entered a guilty plea to an Information of one count of Involuntary Manslaughter in Indian Country, punishable by up to eight years in prison and a $250,000 fine.

The Information alleged that on April 28, 2025, Harjo unlawfully killed the victim while committing a lawful act which might produce death in an unlawful manner.

The crime occurred in Pontotoc County, within the boundaries of the Chickasaw Nation Reservation, in the Eastern District of Oklahoma.

The charge arose from an investigation by the Federal Bureau of Investigation, the Bureau of Indian Affairs, the Ada Police Department, the Chickasaw Lighthorse Police Department, the Oklahoma State Bureau of Investigation, and the U.S. Marshals Service.

The Honorable D. Edward Snow, U.S. Magistrate Judge in the United States District Court for the Eastern District of Oklahoma, accepted the plea and ordered the completion of a presentence investigation report.

A U.S. District Court Judge will determine the sentence to be imposed after considering the U.S. Sentencing Guidelines and other statutory factors.

Harjo will remain in the custody of the United States Marshals Service pending sentencing.

Assistant U.S. Attorney Lewis M. Reagan represented the United States.