Slate.com is reporting the man behind the building of three true submarines intended for smuggling drugs is facing trial, and many of those who worked with him have either been tried or taken plea bargains.
If you want a refresher on the result of his efforts, there is pretty good info on one of the submarines that he produced here.
We have talked about these before and their implications for the Coast Guard. Related:
Chuck Hill's CG Blog 
Back in the early 90s, I found a man and his wife down in Texas building a homemade sub.
Had the story and photos all over the net, even showed his home and his address number.
Was it used for drugs?
I doubt it.
Reblogged this on Naval Matters.
An overview of past types found by law enforcement: http://smallwarsjournal.com/jrnl/art/narco-submarines-applying-advanced-technologies-to-drug-smuggling