[dnwong]

I expected to have a foundation wall or footer under the edge of basement slab. So, did the he eat his way through the concrete?

I am guessing this must be his exit point or the second hole. He must have came up and hit the concrete slab and then worked his way out through the black pipe and footer.

So, need to figure out how to fill the tunnels after ridding the critter. Is there companies that do that? I would like to get someone with a scope on a snake (like plumbers use) and see how much of it is under the house and them pump a filler back in there.