 Due to the unconventional and unmotorised guerrilla tactics of locals, Hansen's services were invaluable to the British, who had no material presence in the region, and sold his intelligence to the Americans who were knee-deep in conflict against the Viet Cong.However, at some point Hansen disappears without notice and is later given up for dead, in view of the total eradication of hill villages in the region.Later, local residency catches sight of Hansen through one of their informants who had been working closely with the local head of station, Rumbelow.