Sergei Duvaniuk

Sergei Duvaniuk is a Russian historian and author who specializes in dark history and true crime. He has written several books on the subject and has appeared on various podcasts and TV shows. Duvaniuk is also a professor at a Russian university and has taught courses on history and journalism. He is active on social media and has a strong online presence. Despite his expertise, little is known about his personal life. Duvaniuk is based in St. Petersburg, Russia.