Investigation Task Force Sweep was established in Papua New Guinea (PNG) on 12 August 2011, following a resolution by the National Executive Council (NEC).
In October 2012, Sam Koim concluded that almost half of PNG's PGK7.6 billion development budget for the period 2009 to 2011, had been lost through corruption, misappropriation and mismanagement.
According to Koim, "We have uncovered a lot of instances where there was no recourse to budget and people were spending money left, right and centre, squandering funds and using them for private purposes".
Since the creation of this list in September 2011, a number of individuals named on it have been arrested, including the politician Paul Tiensten and former Acting Secretary of the Department of National Planning, Ruby Zarriga.
[26] In December 2011, Sam Koim announced that Task Force Sweep had uncovered a number of "syndicates" in PNG that had colluded to misappropriate large sums of public funds, which had been channelled out of the country.
[28] In January 2012, former Prime Minister Michael Somare criticised Task Force Sweep for being a tool for officials to exercise political vendettas.