Answer:
Procunier v. Martinez.
Explanation:
Procunier v. Martinez. revolves around injustice that happened to an inmate named robert martinez. At that time, the prison where Martinez was held in always open up the letter that is sent to the inmates inside in order to avoid crime-related communications from occurring in the prison.
Despite the initial purpose, this very action actually also violate the right to privacy that is protected under the first amendment. In the end, Martinez sue the state of California and the court ruled in favor of Martinez.