Wednesday 28 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. 0225Murder · Co. Meath · 3 Oct 2022

Disappearance of homeless man Mark Duffy in Navan, Co Meath, upgraded to murder investigation

Mark Duffy, a 43-year-old man who had been living homeless in a tent, disappeared in Navan, Co Meath on 3 October 2022, with his last confirmed sighting on CCTV at 14:45pm walking into McDermotts Villas Housing Estate on Commons Road. He was not reported missing for 10 days after his disappearance, and Gardaí conducted searches of the Navan and River Boyne areas without finding any trace of him. No arrests or charges have been made in the case. On 30 September 2026, Gardaí reclassified the missing person investigation as a murder investigation, saying they believe Duffy was murdered, probably by people known to him, and issued a public appeal for information.

  1. Reported30 Sep
    2 reports
  2. Arrested
  3. Charged
  4. In court
  5. Verdict
  6. Sentenced
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
  • Gardaí reclassified the missing person investigation into Mark Duffy's disappearance as a murder investigation on 30 September 2026.
  • Gardaí believe Duffy was murdered, probably by people known to him.
  • In the weeks before his disappearance, Duffy had been living homeless in a tent in Navan town.
Where
Duffy was last seen at the Post Office at Johnstown Shopping Centre, Navan at 10:50am and on CCTV at 14:45pm walking into McDermotts Villas Housing Estate on Commons Road, Navan.
When
Mark Duffy disappeared on 3 October 2022 in Navan, Co Meath.
Investigation
  • Duffy was not reported missing for 10 days after his disappearance.
  • Gardaí conducted searches of the Navan and River Boyne areas but found no trace of Duffy or evidence he left the country.
  • A dedicated investigation team based at Navan Garda Station, led by a Senior Investigating Officer, is investigating.
  • Gardaí issued a public appeal for information on the disappearance and murder of Mark Duffy.
Other details
  • Duffy is described as 5ft 8in, broad build, with brown hair and blue eyes, and walked with a noticeable limp.
  • At the time of his disappearance, Duffy was wearing dark clothing with a cream hoody underneath.
  • A family liaison officer remains in place for Mark's family.
30 statements extracted from the articles
  • whatGardaí upgraded the inquiry into Mark Duffy's disappearance to a suspected murder investigation (irishtimes.com)
  • whatGardaí believe Duffy was murdered, probably by people known to him (irishtimes.com)
  • whatIn the weeks before his disappearance, Mark Duffy had been living homeless in a tent in Navan town (irishtimes.com)
  • whatDuffy was not reported missing for 10 days after his disappearance (irishtimes.com)
  • whatDuffy is described as 5ft 8in, broad build, with brown hair and blue eyes (irishtimes.com)
  • whatDuffy walked with a noticeable limp (irishtimes.com)
  • whatAt the time of his disappearance, Duffy was wearing dark clothing with a cream hoody underneath (irishtimes.com)
  • whereOn 3 October 2022, Mark was present at the Post Office at Johnstown Shopping Centre, Navan at 10:50am. (garda.ie)
  • whereAt approximately 14:45pm on 3 October 2022, Mark was seen on CCTV on Commons Road, Navan, walking into McDermotts Villas Housing Estate. (garda.ie)
  • whereThe disappearance occurred in Navan, Co Meath (irishtimes.com)
  • whenMark Duffy was last seen on 3 October 2022 in Navan. (garda.ie)
  • whenMark Duffy disappeared on 3 October 2022 (irishtimes.com)
  • whenDuffy was seen at 10:50am on 3 October 2022 in the post office in Johnstown Shopping Centre, Navan (irishtimes.com)
  • whenAt 2:45pm on 3 October 2022, Duffy was seen on CCTV walking into McDermotts Villas housing estate on Commons Road, Navan (irishtimes.com)
  • investigationGardaí conducted searches of the Navan and River Boyne areas. (garda.ie)
  • investigationNo sightings of Mark or evidence of his whereabouts were found. (garda.ie)
  • investigationThe missing person investigation was reclassified as a murder investigation on 30 September 2026. (garda.ie)
  • investigationA dedicated investigation team based at Navan Garda Station led by a Senior Investigating Officer is investigating. (garda.ie)
  • investigationGardaí fear the 10-day delay gave a head start to whoever killed him, including around disposal of remains and evidence (irishtimes.com)
  • investigationSearches were conducted of the Navan and River Boyne areas (irishtimes.com)
  • investigationNo trace of Duffy emerged and there was no evidence he left the country (irishtimes.com)
  • investigationThe murder investigation is being conducted under a senior investigating officer from Navan Garda station (irishtimes.com)
  • investigationGardaí issued a public appeal for information on the disappearance and murder of Mark Duffy (irishtimes.com)
  • otherIn the weeks before his disappearance, Mark had been living homeless in a tent in Navan town. (garda.ie)
  • otherThere had been no sightings of Mark since 3 October 2022. (garda.ie)
  • otherMark's phone had not been used since his disappearance. (garda.ie)
  • otherMark had not left the country. (garda.ie)
  • otherMark walked with a noticeable limp at the time of his disappearance. (garda.ie)
  • otherMark was wearing dark clothing with a cream hoody underneath when last seen. (garda.ie)
  • otherA family liaison officer remains in place for Mark's family. (garda.ie)

The reporting

newest first
  1. 30 Sep2026
    Reportedirishtimes.com, first report
    Disappearance of homeless man in Meath upgraded to murder investigation

    Gardaí statement announcing the upgrade from missing persons inquiry to suspected murder investigation, with details of last sightings and a renewed public appeal.

    victim, Mark Duffy, 43, male, irish (judged from name)Mark Duffy
  2. 30 Sep2026
    Reportedgarda.ie, follow-up
    30/09/2026 UPDATE – An Garda Síochána Public Appeal for Information into the Murder of Mark Duffy, Navan, Co. Meath reported missing in October 2022.

    Garda press release confirming the reclassification of the missing person investigation into a murder investigation, four years after Duffy was last seen. Provides details of his last confirmed sightings and physical description, and renews the public appeal for information.

    victim, Mark Duffy, 43, male, irish (judged from name)Mark Duffy