sentences:  He continued with Carey on board the "Melrose" for the voyage from Cape Town to Natal, and when the vessel was 12 miles off Cape Vaccas, on 29 July 1883, using a pistol he had in his luggage, shot Carey dead.O'Donnell was brought to England and tried for murder, was found guilty, and was executed at Newgate Prison on 17 December 1883.He married Margaret (Maggie) McKenny, by whom he had several children.