Why would Cotton know where Sidney was?

I mean why is it Roman's so sure Cotton knows where Sidney is? I mean you got Dewey who's really close to Sidney and treats her almost like a daughter, you got her dad who if anyone would know where she was hiding it would be him.

Why go after Cotton for the info? Sidney and Cotton was never close and only briefly got along at the end of Scream 2, but i doubt she'd keep in contact with him and let him know where she was.

I just always thought Sidney's dad or Dewey should have been the first victim, if anyone in the film would know where Sidney was it would be them. Cotton seemed like such a random choice to go after for the info.

Plus it always pissed me off how soon he was killed, Cotton imo should have survived until the end and sacrificed himself in some way for Sidney. I just hated that lame death he got with the wacky bouncy sound when he got hit with the bookshelf then just got stabbed.

Thats what i love about these high school girls, i get older they stay the same age.