The first Belarusian journalist to be shortlisted for the European Press Prize. He began his investigative work by reporting on Viktar Sheiman's private enterprise Guardservice and the clandestine gold mining in Zimbabwe by businessmen with close ties to Lukashenka. During his investigative journalism work, Aliaksei gathered proof of Lukashenka's businessman Aliaksandr Zaitsau collaborating with Catholic priest Ihar Lashuk to bypass sanctions. He also discovered concealed property in Austria belonging to Mikalai Varabei, another businessman with pro-government leanings. It was Karpeka who revealed Aleksin's "present" of nearly a dozen cars and motorcycles to Lukashenka's security service.