Jean Emerson, reporter of K5 NBC news in Washington recently reported on Dr. Kiehl’s most recent findings. He expressed throughout the years Dr. Kiehl and his team have taken their mobile MRI to eight prisons in Texas and New Mexico and more than 3500 inmates have gone through it.

His brain research has zeroed in on the amygdala, a structure involved in decision making and emotional response.

“There’s this whole part of the limbic system that runs right here. And this is the part that we’re really interested in studying in psychopathy,” said Dr. Kiehl. VIEW HERE