Are Spies More Trouble Than They’re Worth? | The New Yorker
https://www.newyorker.com/magazine/2019/09/02/are-spies-more-trouble-than-theyre-worth
Eat, Drink and Be Wary: Ex-CIA Officer Reveals How Eateries Are Key to Spycraft | Hacker News
https://news.ycombinator.com/item?id=21284962
Ex-CIA Officer Reveals How Eateries Are Key To Spycraft : The Salt : NPR
https://www.npr.org/sections/thesalt/2019/10/16/770368584/eat-drink-and-be-wary-ex-cia-officer-reveals-how-eateries-are-key-to-spycraft