Bangladesh, Sept. 30 -- According to a recent investigative report published by the Organized Crime and Corruption Reporting Project (OCCRP), a Russian-Spanish wine exporter whose family runs a chic tapas bar is under investigation for shipping sanctioned chemicals to Russia, including diethylamine, a chemical involved in the manufacturing of the nerve agent VX. Reporters found she also owns a chemical company in Russia whose clients have included major state scientific agencies known for developing chemical weapons.

According to OCCRP, Cavina Vinoteca, a slick wine bar in Barcelonas fashionable Poblenou neighborhood, has drawn rave reviews online since it opened its doors last year.

The restaurant is one of several gastronomic ventures...