Kim Jong-nam's path to power was derailed in May 2001, when he was arrested at Narita International Airport in Tokyo for traveling on a forged Dominican passport.

CENTERFORSECURITYPOLICY: The House of Kim

Hitachi has earned enough trust to get trial installations at Narita International Airport and a Tokyo subway station this coming spring, but we have a hunch that some airport officials would demand a more thorough screening, no matter how much it's actually needed.

ENGADGET: Hitachi boarding gate can sniff explosives on passes, keep the transport queues flowing (video)

American lawyer Heather Reilly Powell had just checked in for her flight at Tokyo Narita International Airport when the magnitude 8.9 earthquake struck.

BBC: Resources for travellers stranded by Japanese tsunami