Legal?
609.345 Criminal sexual conduct in the fourth degree.
(e) the complainant is at least 16 but less than 18 years of age and the actor is more than 48 months older than the complainant and in a position of authority over the complainant, and uses this authority to cause or induce the complainant to submit. Neither mistake as to the complainant’s age nor consent to the act by the complainant is a defense;
I’d say the old fart used his authority as an elected offical.
The kid didn’t know that he was an elected official when he responded to the ‘looking for gay sex no strings attached’ ad.