Ping
In March 2017 he wrote an article that had child porn information in it.
https://www.realclearpolitics.com/2017/03/11/how_algorithms_can_help_beat_islamic_state_404748.html?_escaped_fragment_=
Look for the link to the full WSJ article. Once there, the pedo info is toward the last half of the article.
Prolly just another coincidence.