Thursday 29 October 2026Compiled from published reports. Every claim links to its source.

Ireland Crime

Every case followed from the first report to the sentence, or to where the reporting stopped.

Case No. 9318Assault causing harm · Co. Dublin

Former partner of John Peters speaks after his jailing for assault

John Peters, 33, assaulted his former girlfriend Rianna Moore at the apartment they shared, with the first assault on 10 July 2022 and further incidents involving her pyjama top and phone on 2 May and 6 June 2023. He was arrested the day after the relationship ended, initially denied the allegations, and then pleaded guilty to assault, assault causing harm and criminal damage. He was remanded in custody and sentenced on 4 June 2026 to three years, with the final 10 months suspended, so he is to serve two years and two months. On 9 June 2026 Ms Moore spoke out about the sentence and said she had never heard the word sorry from him.

  1. Reportednot reported
  2. Arrestednot reported
  3. Chargednot reported
  4. In courtnot reported
  5. Verdictnot reported
  6. Sentenced1 Jun
    2 reports
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
John Peters, 33, was jailed for two years and two months for assaulting his former girlfriend Rianna Moore.
Where
The assaults took place in the apartment the couple shared, which they had moved into less than a year before the first assault.
When
  • The first assault took place on 10 July 2022.
  • Further incidents involving Ms Moore's pyjama top and phone took place on 2 May 2023 and 6 June 2023.
Cause
The first assault followed an argument.
Investigation
Peters was arrested the day after the relationship ended and initially denied all allegations to gardaí, handing in a prepared statement.
Charges
Peters pleaded guilty to assault, assault causing harm and criminal damage to Ms Moore's phone.
In court
  • The trial process took three years from the complaint to sentencing, and Peters was remanded in custody at the sentencing hearing.
  • The judge said there was no evidence of contrition or of steps to address Peters's temper and aggression, and described the intimate relationship and the aggression as aggravating factors.
  • The court heard there was also a suggestion of controlling behaviour, and the judge noted that Peters's physicality and training were used against Ms Moore.
Sentence
  • Peters was sentenced to three years for assault causing harm, two and a half years for criminal damage and six months for assault, all concurrent.
  • The final 10 months were suspended for 15 months, leaving two years and two months to serve, with 10 months of probation supervision after release.
  • The judge ordered €10,000 paid to Women's Aid.
Other details
  • Peters is a personal trainer at a female-only gym and has no previous convictions.
  • On 9 June 2026 Ms Moore spoke out after the sentence, saying she never heard the word sorry from Peters.
20 statements extracted from the articles
  • whatJohn Peters was jailed for two years and two months for assaulting his former girlfriend Rianna Moore. (thejournal.ie)
  • whereThe first assault took place in the apartment the couple shared. (thejournal.ie)
  • whenPeters assaulted Ms Moore less than a year after they moved in together. (thejournal.ie)
  • whenThe first assault occurred on 10 July 2022. (thejournal.ie)
  • whenA further incident involving her pyjama top and phone took place on 2 May 2023 and 6 June 2023. (thejournal.ie)
  • causeThe first assault followed an argument. (thejournal.ie)
  • investigationPeters initially denied all allegations to gardaí and handed in a prepared statement before pleading guilty. (thejournal.ie)
  • investigationPeters was arrested the day after the relationship ended. (thejournal.ie)
  • chargePeters pleaded guilty to assault, assault causing harm and criminal damage to the woman's phone. (thejournal.ie)
  • courtThe judge said there was no evidence of contrition or of steps to address Peters's temper and aggression. (thejournal.ie)
  • courtThe trial process took three years from complaint to sentencing. (thejournal.ie)
  • courtPeters was remanded in custody at the sentencing hearing. (thejournal.ie)
  • sentencePeters was sentenced to two years and two months for assault, assault causing harm and criminal damage over several incidents. (thejournal.ie)
  • sentencePeters was jailed for two years and two months. (thejournal.ie)
  • sentencePeters was sentenced to three years for assault causing harm, two and a half years for criminal damage and six months for assault, all concurrent. (thejournal.ie)
  • sentenceThe final 10 months were suspended for 15 months, with 10 months of probation supervision after release. (thejournal.ie)
  • sentenceThe judge ordered the €10,000 paid to Women's Aid. (thejournal.ie)
  • otherThe court heard there was also suggestion of controlling behaviour. (thejournal.ie)
  • otherPeters has no previous convictions. (thejournal.ie)
  • otherThe judge described the existence of an intimate relationship and the aggression as aggravating factors. (thejournal.ie)

The reporting

newest first
  1. 1 Jun2026
    Sentencedthejournal.ie, follow-up
    Personal trainer at female-only gym jailed for assaulting ex-girlfriend

    Court report on the sentencing of John Peters at Dublin Circuit Criminal Court. No existing case matches this named defendant or sentencing.

    victim, femaleconvicted, John Peters, 33, male, named, irish (judged from name)John Peters
  2. 1 Jun2026
    Sentencedthejournal.ie, first report
    'I never heard the word sorry': Ex of personal trainer jailed for assaulting her speaks out

    Reports the sentence and Ms Moore's account of the abuse, the trial process and her sense of accountability. The incidents took place between 2022 and 2023.

    convicted, John Peters, male, named, irish (judged from name)John Petersvictim, Rianna Moore, female, irish (judged from name)Rianna Moore