A group of dissident spies has launched an unprecedented attack on the SIS, saying it has misused its powers by bugging law-abiding Maori for political intelligence. The SIS's Operation Leaf, they say, has been used to find "dirt" on individuals, and intelligence about iwi divisions, finances and Treaty claims. Now they question the service's leadership and strategy. Spies have never before broken ranks in New Zealand. Now three have done so and say they have evidence of a scandal. Their claim that the SIS has bugged "decent, law-abiding New Zealanders" has been made many times by liberal and left-wing activists....