Transcript for The Hunt for Mexican Drug Lord 'El Chapo' Joaquin Guzman After Brazen Prison Break
We begin with breaking news in that international manhunt the urgent search for one of the most dangerous criminals in the world Joaquin Guzman helped topple on the run. After that race in prison break outside Mexico City he's done this before right here recaptured after breaking free the first time. A forties tonight believe this was where he emerged the hole at the end of a mile long tunnel that began in that prison shower. And tonight the feds here in the US revealing the elaborate plots to Boston out of that maximum security prison may have started the moment he went in. ABC's jubilee is on the ground in Mexico leading a soft. Tonight. Tonight police searching pipes cars and packed buses searching for Joaquin Guzman. Known as it toppled the shorty a billion dollar man responsible for a quarter of the drugs in the US and long wanted by US authorities. Guzman escaping from this maximum security prison 55 miles outside of Mexico City Saturday night. He was last seen in the shower area to sell around 8:50 PM. Authorities say he fled through a dugout hole. Just twenty inches by twenty inches wide authorities finding a latter they believe he used to drop in self thirty feet below ground winding his way through a mile long labyrinth of tunnels. The passage about as tall as it toppled himself five feet six inches but well lit and fully ventilated with PDC piping. The passage even outfitted with a motorcycle. Used to help move birth and dig the tunnel out. This is the hold they believe he escaped from. This is an and it is known for having a team of engineers and miners. Some of the best in Mexico where they are just to build these tunnels and this is where you can really see the audacity of this plan that's the prison right there and right over here in the prison's own backyard. That's the house where chop or emerge from then disappear. We met a man named Eric delivers gas to houses in the neighborhood and says it was built very quickly. And they've given as a six or seven months that house whose group. He's escaped before and was on the run for thirteen years until his capture last year the government had promised he would never escape again. And tonight sources tell us that US officials knew about possible escape plans. From just about the day at a chapel was captured they say they warned Mexican authorities and though they're upset. They're not surprised. Jubilee it is tonight in Mexico.
This transcript has been automatically generated and may not be 100% accurate.