The Article is mainly about:
B. How the Stasi collected people's scents to find people who opposed them.
This question is related to the article "The Stasi Had a Giant Smell Register of Dissidents".
"The Stasi Had a Giant Smell Register of Dissidents" reveals how the Stasi collected samples of people's scents.
The Stasi is known to be a secret police agency of the German Democratic Republic.
The Stasi used this method to identify people who wrote something critical about them or that distributed some kind of flyers.
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