Alger Hiss worked in high-level roles in the U.S. government during the Franklin D. Roosevelt administration. And then he was accused of using his access to spy for the Soviets.
Research:

Peter Kropotkin's Mutual Aid, Part 1
45:03

SYMHC Classics: Haymarket Riot
37:40

Behind the Scenes Minis: Serving Lip and Ethics
26:19