As Bobby's clients call in, the police answer the phone and build their case against him.

The guy in the corner bar betting with a bookmaker, that bookmaker is going to be paying some of that money back into organized crime, so through funneling system, and that money is going to be used for narcotics or

that money is going to be used for narcotics or prostitution

or any of their other illegal activities.

Evidence like this can disappear in a flash.

There are some special papers which allows a book paper to do this.

One's called a flash paper.

Anything hot really will set it a fire I have a

piece here if you'd like me demonstrate it for you. At first it burns it burns very

slow but then it starts accelerating and it's just a big ball fire and there are actually no residue left at all

This piece of paper is water-sable paper. It's sometimes referred to as rice paper, which

when immersed in water, it just rapidly dissolves. Dip it into it and I try to pull it out.

It just falls apart and you can see the ink is just kind of fading away. No one keeps records when it comes to illegal football gambling, but with billions of dollars bet on football each year,

it's easy to understand why organized crime would be interested in

any inside information. So the NFL warns all of its members annually to have no

associations whatsoever with known gamblers.

The NFL employs its own security force

to make sure this does not happen.

Preventing associations is the only way the NFL has of guarding against a fixed game.

Behind the walls of this top security prison is a man who says he helped fix four professional games a year in 1968, 69, and 70.

He says he was part of a syndicate of illegal bookies and their mafia associates. John Piazza.

In return for financial assistance to his wife,

...