Dont think he said he knew who it was more so he knew who it wasn't.........i.e, himself and friends.
If i knew nothing other than it was nowt to do with myself i'd be expecting.....something.
Believe me he knows who it was, he was up when the person was setting off the fireworks. Scotts also had PM's off one of his mates telling him who it was so they know damn well who it was.
Every person who was up watching some lad set off the fireworks deserved to be kicked out in my opinion. They all knew the rules and every one of them chose to ignore it on the Saturday night at 2am!!
If they weren't man enough to stop it at the time and they weren't man enough to spill the beans when they were questioned about it then more fool them, they deserve what they got!!!