Photo: RNZ / Patrice Allen The operation, dubbed Operation Evansville, was a four-month long investigation run by a joint Tāmaki Makaurau Organised Crime Team. The investigation targeted organised crime individuals, including those with strong links to the Head Hunters Motorcycle Gang, the manufacturing and distributing methamphetamine, as well as illegal possession of firearms. Detectives also located two clandestine labs as part of the investigation. More than 21 search warrants have been carried out in the wider Auckland region, with seven of those carried out in Henderson, Long Bay, Flatbush and Auckland Central yesterday. Eleven people have been arrested and face various charges including robbery, unlawful possession of firearms, possession for supply methamphetamine, manufacturing methamphetamine and money laundering.