Matt Riddle claimed an NYC airport cop sexually assaulted him during a confrontation -- and while he seems to have taken it back, an investigation is now underway ... TMZ has learned.
The WWE wrestling star posted a shocking allegation Sunday, taking to IG to throw up a photo of a Port Authority police officer at JFK ... and attaching a scathing caption. He claims to have been touched inappropriately by this cop but doesn't go into too much detail.
What he does say is that he told this officer "no," but alleges the man proceeded to do something inappropriate to him anyway. Worth noting, Riddle has since deleted the IG post.
Now, as far as what led up to this and what exactly went down ... we have some answers. Law enforcement sources tell us Port Authority officers got a call for a disorderly person who was deplaning, and they met him in the terminal. As it turns out, that was Riddle.
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We're told the cops talked to MR -- as well as other witnesses -- and he seemed apologetic in the moment. No police report was filed, and everyone was free to go without incident.
It's because of this that our sources say the Port Authority was shocked by Riddle's claim ... as, from their view, nothing went down to warrant such an accusation. Still, we're told the department is taking his claim seriously ... and an internal probe has been launched.
The last thing Riddle had to say about this was not great. He says, "Finally leaving JFK and I never wanna come back here again."
