Another Knife makes it Through the 20 Layers of Theater

Do TSA's new airport scanners miss some metal objects?
http://seattletimes.nwsource.com/html/travel/2017860198_webtroubleshooter28.html

http://travel.aol.co.uk/2012/03/28/...-knife-through-security-and-on-board-a-plane/