It's all so boringly predictable.

Send inappropriate messages
Get found out
Deny it all
Hint at taking legal action
Get PR advice
Sell your story, minimising your actions
Do an almost grovelling public apology
Say 'it's not who I am' or some such nonsense
Say you're getting therapy

It's only a matter of time until he's back saying professional help had helped him to 'move forward as a better person' and he's going to 'be better in future'.