The lining of the costume (known as a fursuit) is described as latex. Fursuits are very warm costumes, and latex (which traps heat) would make it worse. For this reason, latex would not be used in a real fursuit, particularly in Nevada.
Dead body in a freezer room stated to be the coldest place in Vegas - no vapor from the living breathing people's mouths though.
If the cold room was in fact the coldest room in Vegas nick would have been visibly cold given the fact he was only in a short sleeved shirt.
Mr.Lee refers to Linda in past tense "she was" not "she is" but if he was at the convention and parties there was no way he would have known about the accident yet.