Explore 25 documented cases from Ireland. Each file separates established findings from allegations and unresolved questions, with a focus on investigation rather than graphic detail.
Irene White, a 43-year-old mother of three, was murdered in her Dundalk home in April 2005. A cold-case review eventually led to guilty pleas and life sentences for Anthony Lambe in 2018 and Niall Power in 2019; authorities have not prosecuted the person alleged to have commissioned the killing.
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Aidan Moffitt and Michael Snee were murdered in separate Sligo attacks in April 2022. Yousef Palani pleaded guilty to both murders and to seriously harming Anthony Burke, receiving two mandatory life sentences and a concurrent 20-year term.
Open case file →Celine Cawley died at her Howth home in 2008. Eamonn Lillis was acquitted of murder but convicted of manslaughter and sentenced to six years and eleven months.
Open case file →Siobhán Kearney was murdered at her Dublin home in 2006. Brian Kearney was convicted in 2008; the conviction survived his direct appeal and a later attempt to reach the Supreme Court.
Open case file →Chief prison officer Brian Stack was shot in Dublin in 1983 and died 18 months later. The Provisional IRA later acknowledged responsibility, but no individual has been convicted of his murder.
Open case file →Seventeen-year-old Swiss student Manuela Riedo was murdered in Galway in 2007, days after arriving in Ireland. Gerald Barry was convicted of murder in 2009.
Open case file →Emer O'Loughlin was found dead in a burned mobile home in County Clare in 2005. Later forensic work established a violent death, and Gardaí continue to seek information.
Open case file →Detective Garda Jerry McCabe was killed during an armed attack in Adare in 1996. Four men were convicted of manslaughter, while Gardaí say the wider investigation remains live.
Open case file →Six-year-old Mary Boyle disappeared in County Donegal in 1977. Searches, reviews and a later arrest have not established what happened to her, and no one has been charged.
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Twenty-two-year-old Trevor Deely vanished while walking through Dublin in December 2000; CCTV captured his final known movements and the investigation remains open.
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Fourteen-year-old Ana Kriégel was killed in Lucan in 2018; two boys were convicted of her murder, with later litigation focused on juvenile sentencing.
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Investigative journalist Veronica Guerin was shot dead in her car outside Dublin in 1996 after reporting extensively on organized crime.
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Seventeen-year-old Raonaid Murray was stabbed to death near her home in Dún Laoghaire in 1999 after walking home from an evening out.
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Twenty-one-year-old Jo Jo Dullard disappeared while traveling home from Dublin in 1995 after missing her bus and hitchhiking part of the route.
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Thirteen-year-old Philip Cairns disappeared while returning to school after lunch in Dublin in 1986.
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Farah Swaleh Noor was killed in Dublin in 2005 in a case that became widely known through the prosecution of sisters Linda and Charlotte Mulhall.
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Two women, Sylvia Shields and Mary Callanan, were murdered in sheltered accommodation in Grangegorman, Dublin, in 1997.
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The discovery of a newborn’s body in County Kerry in 1984 led Gardaí to suspect Joanne Hayes, whose own infant had died separately.
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Forty-eight young people died in a fire at the Stardust nightclub in Artane, Dublin, in 1981.
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Aaron Brady received life imprisonment with a 40-year minimum for the 2013 capital murder. His conviction survived the Court of Appeal and Supreme Court review.
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Twenty-three-year-old teacher Ashling Murphy was murdered near Tullamore in 2022; Jozef Puska received a mandatory life sentence and abandoned his conviction appeal in 2026.
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Rachel O'Reilly was murdered at her County Dublin home in 2004; Joe O'Reilly's 2007 conviction survived repeated appellate challenges.
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Four bombings on May 17, 1974 killed 34 people; official inquiries attribute the attacks to loyalist paramilitaries, but nobody has been convicted.
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