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Communications of the ACM

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Why Silicon Valley Is Hiring Ex-Federal Agents

Challenge coins

As a former federal agent, Zadig has a collection of these so-called challenge coins, which are exchanged by law enforcement agents during visits.

Credit: Alina Selyukh/NPR

The chart on the screen looks like something out of a TV crime drama: an elaborate web of emails and phone numbers, some names and photos, all connected by a mesh of thin lines.

From NPR
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