By Andrew Fowler. PNG's Prime Minister, Sir Julius Chan came to power with the promise too end the civil war in Bougainville, but his decision to use mercenaries to fight the war created a constitutional crisis in PNG, sent shock waves throughout the region and caused Australia to face one of its biggest diplomatic and security problems when 40 mercenaries entered PNG and the Australian Government knew nothing about it. This program raises serious questions about the Sandline affair