52x9 - 60 Minutes

Members from two Russian military intelligence units have been indicted for hacking into the Democratic Congressional Campaign Committee's computers. The Salvadoran woman who was the wife and mother of the drowned migrant father and daughter whose image in death captivated the world and framed the crisis at the U.S.-Mexico border. Lesley Stahl reports on the use of functional magnetic resonance imaging and computer analysis to decode the physical makeup of our thoughts.