With this, nobody would be allowed past airport security...

Terrorist: I'd like to check in my bags...
Airline Personal: Are you carrying on that box?
Terrorist: Yes...
Airline Personal: All set, please go to the airplane!

Then, On the plane...

Terrorist: There's enough people... I should open the box...
Passenger1: Uh-oh... My phone is beeping!
Passenger2: Ahhhh! My Gameboy Advance!
Airplane Pilot: My Palm Pilot With Navigational Assistant!
Terrorist: Whoops... Guess My Box Had One Too...

After a Fiery Explosion...

News Reporter: ...after what appears to have been a terrorist explosion. Airline personal have said that no high-explosive bombs have been brought aboard, but there was an unknown beeping shortly before the explosion...


I gotta go... It could be trouble...

-Tim_axe