family their parents, cousins, children. and oftentimes horrific deaths. and i mean dipping their bodies in acid peeling their skin, dismembering them. reporter: they say he is responsible for about 25% of all the drugs entering the u.s., including much of the cocaine, marijuana and heroin traffic. the city of chicago has declared him public enemy number one. the man supplying 80% of the drug on chicago streets. he was last cause in february 2014. he was tracked to a condo. using infrared body heat scanners they determined everyone was asleep. storming in they found the half-naked guzman with his beauty queen wife and their two year old twins sleeping nearby. the world s most wanted man surrendered without a shot fired. nick valencia outside the prison mexico.