Boris Kartheuser is an investigative journalist based in Germany.

He specialises in extremism, surveillance, corruption and lobbying. He has worked for political magazines, investigative units within public broadcasting networks, and national newspapers and news magazines in Germany and Switzerland. He has also spent many years lecturing in investigative online research and fact-checking at journalism schools and universities in Germany and abroad.

Last modified:
16/10/2025
Title:
Investigative journalist
Expertise:
Extremism, surveillance, corruption, and lobbying
Country:
Germany
City:
Cologne

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