...Just to make this of such importance on "High-Security Locks."  Researchers and law enforcement has cracked the security features in what are supposed to be some of the world's most strongest locks--locks that are used in the "White House" and "The Pentagon."  That's why good quality doors combined with High-Quality Locks are your first line of defense against a "break-in."  Mul-T-Lock and Medeco manufacture high-security locks which is an answer to such serious problems as they offer original key control which prevents the unauthorized duplications of keys."