He's mentioned here: https://voat.co/v/pizzagate/1466194 but they don't continue the lead.

http://sandr.org/sponsorsdonors > received donations from Buck's Fishing and Camping and from "Jay Cohen Comet Ping Pong" JJ Cohen wrote an article about CPP with a peculiar comment on it: http://www.inthemedievalmiddle.com/2009/08/ping-pong-balls-lemons-and-other-lethal.html ( http://archive.is/glhI9) ) "If you take your shirt off and someone hits a ping pong ball at you really hard, it makes a cool little red ring, and if the shot was smoking, you might even get a little red bull's eye in the middle of the ring. I take the 5th as to why I know this to be true, but I know this to be true. " --dtkline

Oh and the guy who made the weird comment name is Daniel T. Kline PhD. Works for University of Alaska, and "specializes in Middle English literature and culture, literary and cultural theory, and digital medievalism, and his research concerns children, violence, and ethics " Coincidence I think not... http://archive.is/syuM7 https://www.uaa.alaska.edu/academics/college-of-arts-and-sciences/departments/english/faculty/kline.cshtml http://archive.is/qSpq http://www.kankedort.net/ The last two links are this suspects personal website.