The first execution was of a young Maori man, Maketu, who murdered four people, one of which was the granddaughter of a high ranking chief. He murdered them for offending his mana.
Finally, the last execution in New Zealand was of Walter Bolton, accused of murdering his wife with poison. It was found he was having an affair with her sister.
It is said that Walter did not break his neck when he was hung, but was slowly strangled. This, as well as suspicions of Walters innocence, brought about the abolition.