Derek Boyd jailed for life over Finglas... Dublin murder of Mark Carroll
On 9 June 2024, Mark Carroll was stabbed to death at the home of Derek Boyd in Finglas, Dublin. Boyd, a 31-year-old man from Scribblestown Place in Finglas, fled to the UK after the attack and returned a year later. A jury returned a unanimous guilty verdict on the charge of murder, and on 28 July 2026 the judge imposed the mandatory sentence of life imprisonment. Boyd is due to appear before the Circuit Criminal Court later in the week over the suspended part of a sentence for manslaughter that he was serving when the murder occurred.
- Reportednot reported
- Arrestednot reported
- Chargednot reported
- In courtnot reported
- Verdictnot reported
- Sentenced28 Jul
Key facts
consolidated from all reports- What happened
- Mark Carroll was stabbed to death, and Derek Boyd, a 31-year-old man, was convicted of his murder.
- Where
- The killing took place at Boyd's home in Finglas, Dublin.
- When
- The murder took place on 9 June 2024.
- Cause
- The two men and their partners had been drinking together when a late-night argument started.
- Weapon
- Mark Carroll suffered three stab wounds and died from a 10.5cm chest wound.
- Investigation
- Boyd fled to the UK after the attack and returned a year later.
- In court
- A jury returned a unanimous guilty verdict on the charge of murder.
- Boyd's defence said he felt threatened and acted out of instinct.
- The court heard that Boyd has 17 further previous convictions.
- Boyd is to appear before the Circuit Criminal Court later in the week over the suspended sentence.
- Sentence
- On 28 July 2026 the judge imposed the mandatory sentence for murder, life imprisonment.
- Other details
- At the time of the murder, Boyd was serving the suspended part of a sentence for the manslaughter of his sister, whom he accidentally shot in 2022.
- Mark Carroll's father, Kevin Carroll, gave a victim impact statement at the sentencing.
12 statements extracted from the articles
- whatA 31-year-old Dublin man was sentenced to life in prison for murdering a man he stabbed to death. (rte.ie)
- whereThe killing took place at Boyd's home. (rte.ie)
- whenThe murder took place on 9 June 2024. (rte.ie)
- causeThe two men and their partners had been drinking together, and a late night argument started. (rte.ie)
- weaponMark Carroll suffered three stab wounds, and died from a 10.5cm chest wound. (rte.ie)
- courtA jury returned a unanimous guilty verdict on the charge of murder. (rte.ie)
- courtBoyd is to appear before the Circuit Criminal Court later in the week over the suspended sentence. (rte.ie)
- sentenceThe judge imposed the mandatory sentence for murder, life in prison. (rte.ie)
- otherBoyd's defence said he felt threatened and acted out of instinct. (rte.ie)
- otherBoyd had fled to the UK after the attack and returned a year later. (rte.ie)
- otherBoyd had been serving the suspended part of a sentence for manslaughter when the murder occurred. (rte.ie)
- otherThe court heard Boyd has 17 further previous convictions. (rte.ie)
The reporting
newest first- 28 Jul2026'Monster' jailed for life over 'senseless' Dublin murder
Reports the sentencing of Derek Boyd to life imprisonment after a unanimous jury verdict, and the victim impact statement from Mark Carroll's father. Adds the mandatory life sentence, Boyd's prior manslaughter sentence and the prior convictions.
victim, Mark Carroll, male, irish (judged from name)Mark Carrollconvicted, Derek Boyd, 31, male, named, irish (judged from name)Derek Boyd