Conn. Gen. Stat. § 53a-204: Evidence.

At the trial, all parties shall be permitted to submit evidence, including the testimony of experts, pertaining but not limited to the following: (1) The elements or standards specified in the definitions of obscene and obscene as to minors; (2) the artistic, literary, scientific, educational or governmental merits of the material or performance; (3) the intent and knowledge of any defendant.