In life, Aaron Hernandez weighed 240 pounds. In death, the most important part of his body was just over 3 pounds. When researchers analyzed his brain they were shocked by what they found. A lifetime of football had seemingly taken a tremendous toll, but could it explain his violent crimes? Listen ad free with Wondery+. Join Wondery+ for exclusives, binges, early access, and ad free listening. Available in the Wondery App. https://wondery.app.link/gladiator Support us by supporting our sponsors! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.