"Of course I'm a f**king hooligan, you pr**k. I am a hooligan...there I've said it...I'm a hooligan. And, do you know why? Because that's my f**king job." In 1995, a film called "I.D.," about an ambitious young copper who was sent undercover to track down the "generals" of a football hooligan gang, achieved cult status for its sheer brutality and unsettling insight into the dark and often bloody side of the so-called beautiful game.The film was so shocking it was hard to believe the mindless events that took place could ever happen in the real world. Well, believe it now... Almost twenty...