We had joined an armed convoy of 60 vehicles for the three-hour journey through the desert.
They traveled in armed convoys and there would be little to bring them this far from anything resembling civilization.
"It's much more difficult for them to move drugs on the highways now or to travel in armed convoys."
The transport would have been practically impossible without an armed convoy.
Sooner or later they're going to get the idea they can just roll through here in armed convoys.
Soldiers sometimes had to arrange for two armed convoys, one to go be evaluated and another to get medicines.
Just before dawn, a heavily armed convoy of 20 vehicles was ready to move.
Large armed convoys of over a dozen vehicles with the signs "M4" were seen throughout the city.
The armed convoy quickly began exchanging gunfire with the Mexican troops.
And they can use armed convoys to deliver desperately needed supplies.