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Illustration: Brian Stauffer for Bloomberg Businessweek

The Big Take

Russia’s Secret War and the Plot to Kill a German CEO

Armin Papperger runs a German defense company arming Ukraine. The efforts have brought the weapons supplier unprecedented riches, and put a target on his back.

On a clear night at the end of April 2024, arsonists slipped into a tidy residential neighborhood in Hermannsburg, a German village of about 8,000 people surrounded by flat farm fields, heathland nature reserves and military bases. Under the cover of darkness, they arrived at a large redbrick home, where they set fire to a clapboard garden house and a towering beech tree out front. They escaped undetected before the fire brigade arrived. Neighbors awoke the next morning to the smell of still-smoldering wood.

The home belonged to Armin Papperger, the chief executive officer of Rheinmetall AG, Germany’s largest defense company. Papperger, a stocky, white-haired 62-year-old engineer, wasn’t home at the time. In fact, he hadn’t been there since 2022, when Russia launched its full-scale invasion of Ukraine, local residents say. The war had made Papperger a busy man: He was turning a sleeping industrial giant into an international defense juggernaut on track to bring in almost €10 billion ($11.6 billion) in revenue that year. Rheinmetall had already provided Ukraine with armored vehicles, military trucks and ammunition, and Papperger had recently announced plans to set up four weapons production sites inside the country.