: Forensic specialists like Boris Selivanov (Oleg Valkman) and operatives like Margarita Vlasova (Nina Gogaeva). Evolution and Legacy (2007–2022)
: Each episode is typically a standalone 40-minute "mini-film" focusing on a specific case, allowing viewers to watch without strictly following the entire timeline. : Forensic specialists like Boris Selivanov (Oleg Valkman)
: The series spanned over 15 years within this timeframe, frequently updating its cast and writing team to keep plots "creative and innovative". : Forensic specialists like Boris Selivanov (Oleg Valkman)