Not all `` lost '' passports are necessarily `` stolen '' passports , Quaglia said . Two passengers on the missing Malaysia Airlines flight were traveling on stolen passports . Authorities say there 's no indication of terrorism links . Travelers smuggling drugs , other contraband sometimes use stolen passports , they say . Human traffickers also sometimes travel on passports to hide their identities , they say .
Two passengers on the missing Malaysia Airlines flight were traveling on stolen passports . Authorities say there 's no indication of terrorism links . Travelers smuggling drugs , other contraband sometimes use stolen passports , they say . Human traffickers also sometimes travel on passports to hide their identities , they say .