Suspect he found out enough to know that underneath the chin was a very effective location.
Even when Sheila was still breathing after the first shot, he chose the same location for the second shot.
Oh Adam,how many times are we going to have to go over this==SAME LOCATION,COMPLETELY DIFFERENT ANGLE ,AT LEAST A DIFFERENCE OF 50 DEGREES,ONE SHOT INTO THE NECK,ONE SHOT UP INTO THE BRAIN==Why didnt JB put the first bullet up into the brain,instead of a TOTALY RANDOM shot into the neck? I simply dont think you are understanding what this topic is about.Or dont want to.