FIRST AMENDMENT, dated as of May 10, 2005 (this "Amendment"), to the CREDIT AGREEMENT, dated as of August 2, 2004 (as otherwise amended, supplemented or modified from time to time, the "Credit Agreement"), among ALLIED SECURITY HOLDINGS LLC, a...First Amendment • May 11th, 2005 • Allied Security Holdings LLC • Services-detective, guard & armored car services • New York