Ireland Named in reporting
Derek Mulligan
Born 1987, from the ages reported. 22 reports across 2 cases, 19 Dec 2023 to 27 Mar 2026
Key facts
from every report naming them- Named as
- Accused, suspect
- Born
- 1987, from the ages reported
- Offences
- Murder, Assault causing serious harm
- Where
- Co. Donegal
- Reporting
- 22 reports, 19 Dec 2023 to 27 Mar 2026
- Outlets
- donegallive.ie, rte.ie, thejournal.ie, irishtimes.com, irishmirror.ie
Photographs
as published, with the outlet's credit
Images are shown from the outlet that published them and link back to the article. Copyright stays with the credited photographer or agency.
Cases
latest first- Donegal man found not guilty of murder by reason of insanity Murder · Co. Donegal
Derek Mulligan, 39, with an address at Carrickcoyle, Derrybeg, Donegal, is accused of killing his grandfather Derek Burns, 78, by beating him with a granite stone and a cement block outside his home. Burns was found unconscious on 17 December 2023 and died at Letterkenny University Hospital on 19 December. Mulligan was arrested in December 2023, charged in March 2024, and stood trial at the Central Criminal Court in March 2026, pleading not guilty by reason of insanity to the murder and four related charges. On 27 March 2026, a jury returned majority verdicts of not guilty by reason of insanity on all five counts, and the judge committed Mulligan to the Central Mental Hospital.
Acquitted, 1 Mar 2026Accused, suspect · 14 reports - Man charged with assault causing serious harm in Derrybeg adjourned Assault causing serious harm · Co. Donegal
Derek Burns, a man in his 70s, was assaulted at his home in Carrickcoyle, Derrybeg, Co Donegal on 17 December 2023 and died at Letterkenny University Hospital on 19 December. His grandson, 36-year-old Derek Mulligan, was arrested and charged on 19 December with assault causing serious harm, criminal damage to a red Nissan Qashqai, a threat to kill or cause serious harm, and two further assaults on other people. Mulligan appeared at a special sitting of Letterkenny District Court on 19 December, made no reply, and no bail application was made. The case has been adjourned repeatedly while awaiting DPP directions and a psychiatric report, and was most recently adjourned to 20 March 2024. Mulligan remains in custody at Castlerea Prison.
In court, 17 Dec 2023Accused · 8 reports
Timeline
every report naming Derek Mulligan, newest firstEach entry shows how that report described them.
- 27 Mar2026Donegal man found not guilty of murdering grandfather by reason of insanityaccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 27 Mar2026Man found not guilty of murder by reason of insanityaccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 27 Mar2026'Humane society' seeks not to punish those unwell, defence reminds murder trial juryaccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 26 Mar2026Murder accused told doctors paedophile's release from prison caused him to ‘spiral’accused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 24 Mar2026Central Criminal Court hears Donegal man "smacked" stone off grandfather's headaccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 23 Mar2026Donegal man (39) pleads not guilty by reason of insanity to murdering grandfatheraccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 1 Mar2026Man who used cement block to beat grandfather to death found not guilty of murder by reason of insanityaccused, Derek Mulligan, 39, male, named, irish (judged from name)Derek Mulligan
- 24 Oct2024Gweedore man accused of murdering grandfather has assault charges added to caseaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 12 Aug2024Donegal man who allegedly killed grandfather to face additional chargesaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 26 Mar2024Book of evidence awaited for man charged with grandfather's murder in west Donegalaccused, Derek Mulligan, male, named, irish (judged from name)Derek Mulligan
- 24 Mar2024Man charged with murder of grandfather at court in Letterkennyaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 21 Mar2024Man charged with murder of his grandfather in Donegalaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 21 Mar2024Donegal man charged with murder of grandfather just days before Christmassuspect, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 21 Mar2024Man charged with murder of grandfather in Co Donegalaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 11 Mar2024Case of Gaoth Dobhair man charged in connection with grandfather's death adjournedaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 13 Feb2024Gweedore man charged over grandfather’s death awaits DPP directionsaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 8 Jan2024Psychiatric assessment ordered for man charged over grandfather’s deathaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 20 Dec2023Grandson charged after man (70s) dies in hospital following incident at home in Donegalaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 20 Dec2023Elderly man dies in hospital after being seriously assaulted in Co Donegal on Sundayaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 20 Dec2023West Donegal pensioner (70s) dies after alleged assaultaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 19 Dec2023Man appears in court charged with serious assault in Donegalaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
- 19 Dec2023West Donegal man appears in court charged with assault causing serious harmaccused, Derek Mulligan, 36, male, named, irish (judged from name)Derek Mulligan
Matched on the name as printed, ignoring quoted nicknames, and split by the ages reported. Two people who share a name and age would appear together here.