TULSA, Okla. — A 38-year-old career criminal was sentenced to 30 years in federal prison following his conviction for the violent strangulation and rape of a 16-year-old girl in Indian Country, announced U.S. Attorney Christopher J. Nassar.
U.S. District Judge John F. Heil, III, sentenced Garret Lee Monroe, 38, to serve 360 months in federal prison, to be followed by a lifetime term of supervised release and mandatory sex offender registration. Monroe, an enrolled citizen of the Northern Arapaho Tribe of Wyoming, was convicted by a federal jury in April of Aggravated Sexual Abuse by Force in Indian Country.
Violent Assault and DNA Evidence
The charges stem from an incident in November 2025, when Vinita Police officers were dispatched to a fight in progress. Upon arrival, officers separated Monroe and another man, who reported confronting Monroe after the 16-year-old victim revealed she had been attacked.
Trial evidence showed that Monroe woke the minor in the middle of the night by covering her mouth and strangling her until she could not breathe. When she screamed, Monroe held a knife to her throat, threatened to kill her, and sexually assaulted her. Following the rape, Monroe offered the teenager $500 a week to remain silent, stating he was afraid of returning to prison.
A Sexual Assault Nurse Examiner (SANE) testified regarding the victim's injuries, presenting photographs of neck bruising, abrasions, and petechiae in her eyes caused by strangulation. A DNA expert with the Oklahoma State Bureau of Investigation (OSBI) confirmed that forensic swabs recovered from the victim matched Monroe's DNA profile.
Prior Record and Federal Prosecution
Court records reflect that Monroe is a repeat felony offender with prior convictions for assault and battery on a law enforcement officer, assault and battery with a deadly weapon, and robbery. After having his sentence revoked for non-compliance, Monroe served more than 14 years in state prison before being released just seven months prior to committing the rape.
"Garrett Monroe is a sexual predator and career criminal who preyed upon and violently sexually assaulted an innocent sixteen-year-old girl," said U.S. Attorney Christopher J. Nassar. "Thanks to the efforts of our AUSAs and investigators, he will now spend a well-deserved thirty years in federal prison."
FBI Oklahoma City Special Agent in Charge Doug Goodwater commended the victim's courage, noting that her trial testimony was critical in securing the conviction and 30-year sentence. The joint investigation was conducted by the FBI, the Vinita Police Department, the Oklahoma State Bureau of Investigation, and the Tulsa Police Department. The case was prosecuted by Assistant U.S. Attorneys Stacey Todd and Blithe Cravens.