10. Viktor Bout
Known globally as the ‘Merchant of Death’, Viktor Bout is a notorious Russian arms dealer whose name is synonymous with international crime. After his extradition and conviction, Bout is now serving time in a U.S. prison. His criminal activities guarantee a permanent ban from free entry into the U.S., as reported by Reuters. Bout’s case stands as a stark example of America’s uncompromising stance on security threats.
