In 1920 Whanganui residents were rocked by the news that their mayor had shot D'Arcy Cresswell, a young gay poet, who had been blackmailing him.
Mackay was sentenced to hard labour and later left New Zealand, only to be shot during street unrest in Berlin during the rise of the Nazis.
This remarkable story, says Paul Diamond is at its heart about how society conspired to control and punish homosexual men 100 years ago. Diamond’s book Downfall: The Destruction of Charles Mackay has been many years in the making, involving numerous trips to Europe and Australia.
Listen to Kim Hill's interview with Paul Diamond on RNZ here.