In 2026, the Offender Database reported that Jennifer O’Brien, then 34, of no fixed address, was sentenced to 17 years in prison. On Thursday, 29 January 2026, O’Brien appeared at Manchester Crown Court for a series of “vicious” sexual and violent offences committed against a woman.
The investigation established that O’Brien, known on TikTok as Jennifer Nieve, raped the victim on at least 10 occasions. The prosecution reported that O’Brien would become “aggressive” if the victim did not comply with her demands. Following a five-day trial in 2025, a jury found the defendant—referred to in documents as Jordan O’Brien aka Jennifer Nieve—guilty of rape, assault by penetration, and threatening with an offensive weapon.
Judicial Findings and Impact
Recorder Tim Harrington noted the “repeated” nature of the offending, stating that the charges were based on no fewer than 10 separate rapes. The court reported that the victim suffered “deeply damaging” effects, including panic attacks and severe anxiety. In a statement, the woman explained she is now unable to sleep and lives in constant fear. The judge emphasised that the sentence must reflect the “long-term” harm caused by these “abhorrent” acts.
The judge emphasised that O’Brien continued to deny the charges despite the evidence presented at trial. The prosecution noted that the defendant transitioned from a man to a woman but carried out the assaults regardless of the victim, making her lack of consent clear. For her crimes in Manchester, the court determined that O’Brien poses a significant danger to the public, necessitating a lengthy custodial term and strict post-release monitoring.
Sentence and Statutory Requirements
For her crimes in Manchester, Jennifer O’Brien was handed:
- Custodial Sentence: 17 years imprisonment.
- Custody Terms: Ordered to serve at least two-thirds of the sentence (approximately 11 years) in prison.
- Sex Offenders Register: Notification requirements were imposed for life.
- Convictions: Found guilty of rape, assault by penetration, and threatening with an offensive weapon.
Monitoring and Public Protection
O’Brien is managed under Multi-Agency Public Protection Arrangements (MAPPA) by Greater Manchester Police. Her history of “persistent” violence and sexual aggression means her status remains under “critical” scrutiny.
As a lifetime member of the Sex Offenders Register, O’Brien must comply with notification requirements regarding any future residence. Authorities state that her “predatory” behaviour and the use of weapons during her offences require “stringent” supervision. Any breach of her registration conditions or her licence terms following her release from prison will result in her immediate return to Manchester Crown Court.
If you or anyone you know has been affected by the individuals highlighted on this website, please report them to the Police on 101 (999 in an emergency) or visit their online resources for further details on reporting a crime. You can also report to Crimestoppers if you wish to remain completely anonymous. There is help available on our support links page.

