Enquiring minds want to know.
Lets see now,
1. distribute six box cutters to accomplices
2. Disable flight attendants/passenders with stun gun.
3. Take over controls
. 4. Repeat WTC crash
Looks like it's going to happen. If there's anything we've learned from modern American society, it's that the government will never bother to take action until people die. LOTS of people. Apparantly, in 2001, 5000 people isn't quite enough.
Oh, who am I kidding. When this happens a second time, people will stop flying, period. There will BE no more airline industry.
On the extremely optomistic side, maybe the FAA is using a nark terrorist to find security holes, as security firms do by using shoplifters to find weaknesses in a given store's security. Who would be better at it than someone who was doing it professionally?