| web | Nicole Gaudiano, Tanya Dua, Ki... | Business Insider | 2022-06-24 | |
| web | Jamie Henn | The Guardian | 2022-02-26 | |
| web | Mark Thompson | CNN Business | 2022-02-24 | |
| web | Sharon Lerner | The Intercept | 2016-12-20 | |
| web | Andrew E. Kramer and Clifford ... | New York Times | 2016-12-12 | |
| web | Jim Landers | Dallas Morning News | 2014-03-05 | |
| web | Fabiola Sanchez | Associated Press | 2007-06-26 |