There are new details emerging about two passengers who boarded Malaysia Airlines Flight 370 using stolen passports. Their tickets were purchased by an Iranian middleman. There is no evidence suggesting the men have anything to do with the plane's disappearance. While some question whether there is a terror link, Chief National Security Correspondent Jim Sciutto reports this fits the pattern of a human smuggling ring.
Pam Brown takes a look at why stolen passports are used for international travel more often than you might realize.
Questions or comments? Send an email
Want to know more? Go behind the scenes with