how bout them mozambiques! a double tap followed by an aimed quick shot to the chops.
its one to the center of mass, and then one to the head.
It not just tactical units that are trained in this. Many gun schools teach this as well. Some tactical units and some gun schools do not feel that a double tap is a reasonable shooting strategy for all people in all situations.Double Tap, is what tactical units are trained,
Try the triangle defined by the outer edfges of the eyes and the tip of the nose. This is a very weak portion of the skull, and has a lot of holes in the bone to boot. Cranio-ocular is one term.