Remote or timed detonation is trickier than manual detonation. I'm not familiar with how checked luggage is screened, but it's possible that it is potentially c

Remote or timed detonation is trickier than manual detonation. I'm not familiar with how checked luggage is screened, but it's possible that it is potentially controlled by the US for flights heading to the US, or otherwise more reliable. Again: >It's a particular concern at these airports because of screening issues and the possibility of terrorists infiltrating authorized airport personnel, the official said.