came by to see if this was a legitimate warehouse. not much of a cover, but it's amazing when you drive by this warehouse, you'd never know that this is the place where one of the most sophisticated drug tunnels they found emerges. well, i'm joined by michael ensueda from i.c.e. this was a joint effort by the tunnel task force made up of whom? >> right. our san diego tunnel task force is made up of agents from i.c.e., the drug enforcement administration and the border patrol. >> there's a lot of foe fisty kated equipment, but you found this tunnel based on a tip, right? >> this was a really good tip that really paid off. we got a phone call saying a truck would be picking up a load of dope. we had a number of warehouses under surveillance and luckily on thanksgiving day the information matched with what we were seeing and lo and behold we found the tunnel that you just were in. >> and you found three tons of