To date, Nogales we are up to ninety-nine tunnels in Nogales itself.
As far as types of tunnels, Tucson sector wide tunnel count is up to 104.
There is the "rudimentary tunnel" which is hand dug,
some can be short, some can be long.
"No-shoring", just hand dug through the earth,
self-sustaining with whatever soil they dig through.
There's interconnecting tunnels which are tunnels that are dug to, between infrastructure,
so between a sewage line or drainage line in Mexico,
across the border to a sewage or drainage line in the United States.
There's also sophisticated tunnels which comprise of shoring,
ventilation, electrical lighting, and different mechanisms,
they can be shored throughout, they can be shored in different parts,
but they're, the tunnel is intended to be there for the long haul or longer duration.
Some tunnels can be all three, some can be inter-connecting,
have some sophisticated parts in them, and also be rudimentary.
A lot of that is dictated by soil, it's to prevent cave-in and collapse.
But the most common are in Nogales, where the hot spot is
are usually interconnecting or rudimentary tunnels
with some shoring in them based on soil types,
but there have been some sophisticated tunnels found in this sector.