He told The Sun: "British hitmen, and I uncovered only one hitwoman – a Maori working in a bar in London called Te Rangimaria Ngarimu - did not occupy a life of international travel, intrigue or espionage but something far seedier and shabby.
"Austin managed to fire six rounds, but Alveranga’s gun jammed and this gave Totton, Travers and their associates the opportunity to retaliate, turning the guns on Alveranga and Austin, who both died from single shots to the chest," recalled Mr Wilson.
David Wilson told The Sun during his research he only uncovered one hitwoman - Te Rangimaria Ngarimu.
Mr Wilson explained: "The hit had been ordered by Mrs Birchwood’s ex-husband Graham, who was eventually sentenced to life imprisonment in 2009 and who died of heart disease at HMP Wayland ten years later.".
The Sun spoke to criminologist David Wilson who explained why the topic continues to fascinate even if we "abhor" and "condemn" it.
