Will watch for terrorists, drug-runners and illegal immigrants EDMONTON --The United States will be using Blackhawk helicopters and planes along the Montana border with Alberta and Saskatchewan to watch for terrorists, drug-runners and illegal immigrants. The aircraft will be equipped with cutting-edge photographic surveillance and monitoring equipment to watch for any suspicious activity, a spokesman for Montana Republican Senator Conrad Burns said Friday. Matt Mackowiak said the beefed-up border security comes in the wake of the Sept. 11, 2001, terrorist attacks on the U.S. "(Sept. 11) taught us a lot, and the northern border requires greater security and greater surveillance,''...