NEW YORK -- Coast Guard Petty Officer 2nd Class Erin Daly works with her explosive detection dog Evy, securing the perimeter of the Sector New York building lined by New York City Marathon runners prior to the race here at Fort Wadsworth in Staten Island, N.Y., on Sunday, Nov. 2, 2008. The Coast Guard worked in partnership with city, state, and federal agencies to provide security, as well as crowd control. (U.S. Coast Guard photo/PA1 Susan Blake.)