1.   Kiareldeen was initially arrested for having an expired student visa and was threatened with deportation.

2.   Some of the hijackers and suspects were in the country on expired student visas.

3.   Authorities say he has an expired student visa.

4.   Authorities found the knife and his expired student visa during a random check at the airport security gate.

5.   Gurung is unemployed and has been in the United States on an expired student visa.