KABUL, Afghanistan - Three American vigilantes tricked NATO (news - web sites) peacekeepers into helping with illegal raids, the security force said Wednesday, getting them to send explosives experts and bomb-sniffing dogs to check buildings in Kabul where they had detained suspects. A spokesman said the men, led by former U.S. soldier Jonathan K. Idema, seemed authentic — fluent in military speak, decked out in faux U.S. Army fatigues and claiming to belong to a nonexistent task force. "Their credibility was such that with their uniforms, their approach, our people believed they were what they said they were," said Cdr....