The text you provided refers to the Russian detective series (Я знаю твои секреты). Specifically, it points to the 4th season , titled "The Roman Executioner" (Римский палач), which premiered in 2020 . Season 4: "The Roman Executioner" (2020) This season consists of 4 episodes .
: Nina, an expert verifier who can detect lies through micro-expressions, begins teaching a course on the "Psychology of Lying" at a law school.
: Agata Mutsenietse (as Nina) and Mikhail Pshenichnyy (as Captain Skvortsov).
(Хамелеон): Often referred to as Season 3 or 5 depending on the platform's numbering. It also features 4 episodes and focuses on a serial killer who murders women on romantic dates.
For further viewing or detailed episode guides, you can visit Kino-Teatr.ru or watch episodes on YouTube .
: A student named Kristina asks Nina to check her stepfather, whom she suspects of murdering her mother. Meanwhile, a serial killer nicknamed "The Roman Executioner" begins a series of ritualistic murders, and Captain Skvortsov must solve the case with Nina's help. Summary of Other 2020 Releases In 2020, another 4-episode installment was also released: