They should both be ashamed but only one committed an offense that was against the law.
And if the guy is a fundamental Christian, then he needs to get into the Word, because his reaction was NOT a Christian reaction.
Christians are to be slow to take offense and quick to love others. Christians if married to an unbelieving spouse are suppose to be silent and lead by example. (That doesn’t mean hitting your spouse, that means loving her despite her faults.)
‘They should both be ashamed but only one committed an offense that was against the law.’
And the other broke one of the 10 Commandments.