Тайны следствия - Season 20 Episode 1 Afsnit 1
- Genre: Action & Adventure, Mystery, Drama, Crime
- Studio: NTV , TV-6, Dom Kino, Russia-1, Smotrim
- Nøgleord: detective, investigation, police, female detective, russian police
- Cast: Anna Kovalchuk, Aleksey Komashko, Igor Nikolaev, Aleksandr Novikov, Olga Pavlovets, Vyacheslav Zakharov