What is ilyas kuyumcu?

As an AI language model, I cannot guarantee the accuracy of the information. However, according to online sources, Ilyas Kuyumcu is a Turkish-American citizen who was convicted in 2017 for exporting sensitive military-grade materials to Turkey. He was sentenced to 27 months in prison and a $17,500 fine. Kuyumcu owned and operated a Brooklyn-based defense contractor company called Global Metallurgy LLC, which was involved in exporting specialized metals that are vital in the production of missile launchers, missile tubes, and other weapons. The materials exported by Kuyumcu and his company were controlled under export regulations.