The ordinary grifter works with what the mark wants. The clever grifter works with what the mark needs. The really outstanding grifter works with the mark’s confusion between the two. The easy mark thinks he can hide what he wants; the difficult mark can often hide what he needs: the really elusive mark unwittingly deploys his own confusion between the two as a kind of emotional smoke screen. Is this in itself a kind of manipulation? In such engagements there must come a point when neither party knows who manipulated who.