 Cabon was posted to Auckland in April 1985, where she infiltrated the Greenpeace office and gathered information for Prieur and her fellow agent Alain Mafart.In July 1985, Prieur and Mafart entered New Zealand from Corsica on Swiss passports issued to their aliases Sophie and Alain Turenge, a newlywed couple on honeymoon.Their instructions were to sink the "Rainbow Warrior" as the French government suspected that it would be used to protest the upcoming nuclear tests at Mururoa atoll in the South Pacific.