Transcript for Inside the Tunnel 'El Chapo' Used for Daring Escape
All right we're inside. The end shuffle tunnel. Clearly lots of construction fools here. So this is the tunnel we're here this is the entrance to the tunnel can barely see those rails there on the ground they say that rails go all the way for a mile through that tunnel. And we know there was some sort of motorcycle. That wins from here all the way down to prison and back it couple would have come up. Up these stairs and then into this underground. Section here. And you can see there's an electric only system here to pull things out of this is a very very well constructed system there you see some pipes there. And you have inflation here you can actually breathe in here and we are underground. The headlights. That would have led all the way down through that tunnel powered by this generator and and you just need pockets and dirt everywhere. All these tools right here. Cool words more her electric plugs. More lights. Just everywhere. And this is the latter that would have let it topple right up to freedom. And this leads right back up to this house here. And here it is. This is the house. He just walked into. And disappeared.
This transcript has been automatically generated and may not be 100% accurate.