
Colin Howell
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Colin Howell is a former dentist from Northern Ireland who, in 2011, was convicted alongside his lover Hazel Stewart for the murders of their respective spouses, Trevor Buchanan and Lesley Howell, in 1991. Howell had initially confessed to the murders, which led to the reopening of the case, and he is currently serving a life sentence.
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Recent news mentions
Colin Howell confessed to the murders of his wife Lesley and Trevor Buchanan.
Colin Howell’s son on his double killer father, who murdered his mother – The Irish TimesThe Irish Times – major Irish daily, est. 1859·
Ireland· 2026-01-31
Colin Howell confessed to the double murder of his wife and his lover’s husband.
audio of NI dentist’s confession to double murder emerges – The Irish TimesThe Irish Times – major Irish daily, est. 1859·
Ireland· 2026-01-20
Colin Howell was convicted in 2011 of the murders of his wife and Hazel Stewart's husband.
Hazel Stewart ‘under coercive control’ of lover Colin Howell when respective spouses murdered – The Irish TimesThe Irish Times – major Irish daily, est. 1859·
Ireland· 2025-05-23









