So, the question arises, do the stories that suggest that Americans were held in Southeast Asia have any basis in reality? To believe that would be to believe that the American government managed to hide the truth for over four decades. If McCain was involved in covering the matter up, it would constitute an unpardonable stain on his honor that could never be washed away.

https://www.topsecretwriters.com/2015/08/what-secrets-could-be-hidden-in-the-classified-john-mccain-pow-files/

https://www.thenation.com/article/why-has-john-mccain-blocked-info-mias/

Will Trump release the McCain Files??