More informative (including his name, Bryan Pagliano):
The Missing Man at the Center of Hillary Clinton’s Email Scandal
https://www.thedailybeast.com/the-missing-man-at-the-center-of-hillary-clintons-email-scandal
Judicial Watch: Clinton IT staffer pleads 5th 125 consecutive times
https://www.cnn.com/2016/06/22/politics/bryan-pagliano-judicial-watch-deposition/index.html
Yep