Profile and the number one red flag is: islam.
My point is that being “pre-screened” won’t guarantee you that you are safe from those that pass the test. That is the argument you will hear from those that support the current security measures.
Be prepared to counter the argument effectively, not with an ignorant rant. In this case the security clearance parallel won’t hold water.
http://www.scienceblogs.de/diaxs-rake/2010/01/wie-werner-gruber-einen-korperscanner-austrickst.php
Go to min 17, he goes into the body scanner, they find mobile phone and microphone. Then he reveals what else he had: Thermite, ignitor and lighter NOT found! Sorry it’s German TV. American TSA rep admitted nothing is 100%