The first sign of trouble was a radio message requesting immediate extraction. A four-man team of US Navy Seal commandos had run into heavy enemy fire on a remote, thickly forested trail in the mountains of eastern Afghanistan. Trouble turned to disaster when a US special forces helicopter carrying 16 men was shot down as it landed at the scene, killing all on board. Almost two weeks later, a mission that led to the worst US combat losses in Afghanistan since the invasion in 2001 has turned into an extraordinary manhunt. It has also opened an intriguing new front in the coalition’s battle against terrorism. According to former special forces officers and other military sources, the four-man Seal strike team may have come too close to one of the US-led coalition’s highest-priority targets — perhaps Mullah Muhammad Omar, the former Taliban leader, or even Osama Bin Laden, the leader of Al-Qaeda. Full Story