They've fooled their families and friends, duped hard-bitten veteran soldiers and somehow managed to grow and prosper under the radar of America's sophisticated military machine. They are the legion of liars and cheats who have fabricated service in the frontlines of war - particularly Iraq and Afghanistan. It's a despicable phenomenon called Stolen Valour. It's boomed since 9/11 and it's infuriating those who really have put their lives on the line and appalling those who've lost loved ones in battle.