Homemade Mini-subs

Here's just one of the "Wow! That's incredible!" type stories. I gotta admit I admire the ingenuity required to build these mini-subs, even though they're being used to smuggle drugs. It's incredible to me that they can be built secretly in the jungles isolated from most of civilization.

Here's the story about mini-subs, how they're built, and efforts to intercept them.