https://www.stuff.co.nz/4074686a10.html
By NICKY HAGER and DEIDRE MUSSEN – Sunday Star Times | Sunday, 27 May 2007
An Auckland private investigation firm is paying agents to infiltrate and spy on environmental, peace and anti-vivisection groups for its clients, including state-owned enterprise Solid Energy.
Finding the enemy within
Private investigators acting for a state-owned enterprise have hired spies to infiltrate and undermine protest groups in what’s believed to be a New Zealand first. Nicky Hager investigates.
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