Derek Boyd Convicted in Sister’s Killer’s Revenge | Cork News

Cork News Today | 2 Min News | The Daily News Now! · Jul 22, 2026 · 1m

Derek Boyd, already serving a suspended sentence for his sister’s manslaughter, was found guilty of murder after fatally stabbing Mark Carroll at his Dublin home — a crime Boyd claimed was self-defense, despite the jury rejecting that claim after eight hours of deliberation. Boyd fled to Scotland after the attack, later telling police he feared for his life. Though he admitted to wielding a knife and struggling with Carroll, he insisted he never intended to kill. The pathologist confirmed a fatal chest wound, and while charges against Boyd and his girlfriend on other counts couldn’t be…