Detecting counterfeit electronic components

ChipCheck is finding articles about ChipCheck popping up all over the place on the net. What with the recent claims that counterfeit components from China have ended up in U.S. weapons systems, the issue of counterfeit components is hot news!
The following link is another general article about detection of counterfeit components. It reports that there isn’t one inspection technique that can inspect every type of counterfeit. There are some counterfeit types that simply can’t be detected with X-ray, SAM and other techniques. Maybe a combination of different inspection techniques is the answer? However, improvements to the purchasing and goods inwards inspection process (i.e. checking serial numbers against accompanying paper work) is a good start first.