Working downtown here, your job becomes more of a bullsh it detector then a medical one. They still get one by me every now and then though and I have to say, it infuriates me. And yes, it is our job to weed out the "fakers". It's all part of giving appropriate care for the presenting condition and not wasting resources where they are unnecessary. The really good malingerers will actually cause legitimate health problems in themselves (like injecting feces for example).