Last seen in:
- New York Times - Apr 25 2020
- Wall Street Journal - Oct 15 2019 - Under Surveillance
- New York Times - Dec 18 2018
- New York Times - Feb 19 2016
- New York Times - Nov 25 2014
- New York Times - Feb 13 2014
- New York Times - Oct 27 2013
- New York Times - Oct 28 2012
- New York Times - Oct 17 2010
- New York Times - Apr 22 2010