Friday 30 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. 13078Assault with a weapon (Section 3 Non-Fatal Offences Against the Person Act) · Co. Leitrim

Dean McTiernan sentenced to three years for violent assault with a weapon in Rooskey, Leitrim

Dean McTiernan, 36, of Rooskey, County Leitrim, was sentenced to three years in prison on 22 July 2025 after pleading guilty to a violent assault with a weapon that left his victim, Mr. McDonagh, with serious head injuries. The final 12 months of the sentence were suspended subject to a €100 bond and conditions including probation supervision, substance abuse counselling, and mental health treatment.

  1. Reportednot reported
  2. Arrestednot reported
  3. Chargednot reported
  4. In courtnot reported
  5. Verdictnot reported
  6. Sentenced28 Jul
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
15 statements extracted from the articles
  • whatDean McTiernan pleaded guilty to a violent assault with a weapon (leitrimobserver.ie)
  • whatThe victim sustained serious head injuries (leitrimobserver.ie)
  • whatThe victim could have sustained more severe injuries without prompt medical intervention (leitrimobserver.ie)
  • whereThe defendant lives in Riverview Moher, Rooskey, County Leitrim (leitrimobserver.ie)
  • chargeHe was convicted under Section 3 of the Non-Fatal Offences Against the Person Act (leitrimobserver.ie)
  • courtThe sentencing took place on 22 July 2025 before Judge John Alymer (leitrimobserver.ie)
  • sentenceMcTiernan was sentenced to three years in prison (leitrimobserver.ie)
  • sentenceThe final 12 months were suspended contingent on a €100 bond to keep the peace for 12 months (leitrimobserver.ie)
  • sentenceMcTiernan must comply with probation service supervision (leitrimobserver.ie)
  • sentenceMcTiernan must attend substance abuse counselling (leitrimobserver.ie)
  • sentenceMcTiernan must follow a mental health treatment plan including outpatient appointments and medication adherence (leitrimobserver.ie)
  • otherDr. O'Keefe provided expert evidence and stated McTiernan was not an imminent danger at sentencing (leitrimobserver.ie)
  • otherJudge Alymer described the assault as being at the upper end of the scale for violent offences (leitrimobserver.ie)
  • otherMcTiernan will receive credit for time already served in custody (leitrimobserver.ie)
  • otherA victim impact statement outlined the emotional and physical toll on Mr. McDonagh (leitrimobserver.ie)

The reporting

newest first
  1. 28 Jul2025
    Sentencedleitrimobserver.ie, first report
    Leitrim man sentenced to 3 years for violent assault

    Reports the sentencing of Dean McTiernan to three years (12 months suspended) for a violent assault with a weapon, including details of the victim's injuries, the defendant's mental health history, and the conditions attached to the suspended portion of the sentence.

    convicted, Dean McTiernan, 36, male, named, irish (judged from name)Dean McTiernanvictim, Mr. McDonagh, male, irish (judged from name)Mr. McDonagh