i tried "gambling" and "betting" but neither worked. on a whim, i typed "illegal" and suddenly "gambling" registered as the answer. i think you've got a glitch.
I didnt know the mafia was into the sport of Fencing....have they won any Olympic medals yet?? Talking about sports, you should include "match fixing" here!
Yes, I believe racketeering is the maintenance of a business to carry out various illegal activities. It's fine to have a construction company, but it's racketeering if that construction company is used primarily to facilitate crimes.
Blackmail is threatening to reveal embarrassing information if you don't pay up; extortion is simply using coercion to obtain something from someone else.
It is an amazing feat and I wish you the best :)