Can a Mississippi pastor challenge the constitutionality of a law that he was previously convicted of violating?

Can a Mississippi pastor challenge the constitutionality of a law that he was previously convicted of violating?

On Wednesday, Dec. 3, in Olivier v. City of Brandon, Mississippi, the Supreme Court will consider whether individuals can challenge a law as unconstitutional and seek to protect themselves from its future enforcement if they’ve previously been punished for violating the law.  The dispute centers on the experiences of Gabriel Olivier, a pastor from Bolton, Mississippi, who described himself as a “public evangelist” in an interview with SCOTUSblog…