The case study "Songs My Mother Taught Me" discusses a boy named Charles who at first glance, looks like an ordinary, nice, charming young man. However his appearance is only skin deep, one would never assume just by looking at him that he is a cold -blooded killer. In a random town, on a random day, A door to door sales girl came to Charles' home selling religious materials. Ten minutes later she was dead; bludgeoned on the head with a hammer, stabbed sixty nine times in the chest, and raped. A horrible crime committed by a horrible person. M ....