CNN Anderson Cooper 360 July 3, 2014 00:05:00
Believed to be behind the threat. in recent months, u.s. officials have warned that a aqap terrorists trained under him were improving designs of new explosive devices like shoe bombs that could fool screening systems. we talked with the dhs secretary. how concerned should flyers be about what this means about the threat? >> i would be mindful of the fact there is probably increased risk. i don't think it's dramatically different. i wouldn't not fly. the good news here is that the government sharing information with others and other parts of the world is responding to this. >> jim joins us ton...