I just interviewed a candidate on Thursday, whose resume pretty much overstated every skill he actually had. He described his masters program, and made it look as if he had completed it, when in fact, he had only done two classes of graduate level work. He listed skills on which he had shadowed an actual engineer for a few days. Basically, his resume showed the Goodyear Blimp, but his experience was a single party balloon. . .
I have seen that quite a bit. I have found that it normally leads back to one of three root causes