
In the wake of the shootings in Connecticut, Colorado, Arizona (at least), many have wondered what goes on the the mind of a mass murderer; do they have bad genes, brain injury, mental illness? Jim Fallon, a neuroscience professor at the University of California, Irvine, has studied the brains of murderers for decades. His findings; there are definitely genetic and physiological abnormalities in the brain, but normal people can have these, too. Watch the video and find out just who.
Source: https://www.youtube.com/watch?feature=endscreen&v=T_iCuIfI5BE&NR=1