Because it works. People profiling can be wrong, but they're more likely to be right given the odds. They'd much rather be wrong on one case and save a hole lo

Because it works. People profiling can be wrong, but they're more likely to be right given the odds. They'd much rather be wrong on one case and save a hole lot of time, than make sure they get all the cases and finally find nothing. They could find a gem, but what are the odds, it's a gem after all.