The official version of his first escape, that he got through the prison's numerous checkpoints hidden in a laundry cart, was later questioned amid claims he walked out in a prison officer's uniform.
Another strategy would be to hide near a checkpoint that your team has already captured and wait for the enemy team to try to capture that checkpoint, and then kill the enemy team members.
Passengers were rarely patted down, so terrorists could have passed through security checkpoints with liquids hidden under their clothing.
The technology exists to reveal objects hidden under clothes at airport checkpoints, and many experts say it would have detected the explosive packet carried aboard the Detroit-bound flight last week.
Men, women and children snuck through checkpoints, hid in vehicles and tunneled under the concrete.
The Israelis detained an 11-year-old boy last week at the same checkpoint when they discovered a bomb hidden in a bag he was carrying.
Notice the details, though: The drugs were hidden in a vehicle passing through a border checkpoint, not driving wildly through barren desert, thanks to the lack of a wall on the border.
Officials said security procedures worked properly, but that checkpoints are only supposed to detect hidden weapons and provide a system for alerting armed officers, not stop someone from forcing his way past unarmed guards.
In a separate development, Israeli soldiers briefly detained a 12-year-old Palestinian boy at a West Bank checkpoint when they found a large bomb hidden in a bag he was carrying, security officials said.
Even with advanced scanners and other technology at border checkpoints, drugs are still crossing with ease, hidden in vehicles.
