German defense contractor Rheinmetall, benefiting from increased demand due to the war in Ukraine, is facing criticism after delivering faulty bulletproof vests to police forces. The vests, intended for law enforcement use, were found to be defective. This revelation casts a shadow on the company's recent surge in business linked to the conflict. The details emerged from reports originating in Berlin and filed by Yonhap News Agency correspondent Kim Gye-yeon. This issue raises questions about quality control within Rheinmetall, despite the company’s increased production spurred by international demand. The scandal could potentially lead to investigations and impact future contracts for the manufacturer. It highlights potential risks associated with rapidly scaling production during times of heightened geopolitical tension.