US authorities were warned a year ago that the ex-soldier suspected of carrying out 13 sniper attacks near the US capital may be a potential Islamic terrorist.A priest who runs a homeless shelter in this Pacific Northwest town where John Allen Muhammad lived for several months in 2001 and early 2002, raised the alarm last October, the Bellingham Herald newspaper said Friday."I felt like he was part of an organization," said Reverend Al Archer who runs the hostel where the Gulf War veteran stayed along with John Lee Malvo, 17, who was Friday charged along with Muhammad with six...