Is There a Common Thread to 4 Investigations? Existe-t-il un fil conducteur dans 4 enquêtes?

Above, Dennis Nathan Cain

https://www.theepochtimes.com/the-common-thread-behind-four-investigations_2728104.html

https://www.powerlineblog.com/archives/2018/12/is-it-something-he-said-2.php