He is, also a war criminal and a traitor.
He was a prisoner at the “Hanoi Hilton” where he was held after his plane was shot down over vietnam ,his nickname was “songbird’ at the facility because he told everything they wanted to know even further he helped in the torturing methods on how to break american pilots the most effective way.

He also supports massmurdrer al-cia-da who kills torture and rapes man woman and children.

He almost single handedly sunk the USS Forrestal aircraft carrier killing 132 man and sending the ship into a drydock for months his dad at the time was the head of the pacific command Admiral John S. McCain, Jr. so he was whitewashed, he was the only personel trasferred to another command after the incident, his fellow crewman actually wanted to kill him(and rightly so), the info is valid and can be researched also they made quite an effort to hide it, he is a lunatic psychopath who should be locked up in a prison cell with the keys thrown away.