In 2017, Strybulsky was arrested in the high-profile "White Legion case." He was released after 99 days behind bars; the case was closed due to lack of evidence.
The man was also detained in the fall of 2021, when his equipment and “protest symbols” were confiscated.
In 2022, Strybulskag was arrested on March 23, shortly before Freedom Day (March 25). The day after his arrest, he was jailed for 15 days. He later told friends that he had been beaten and effectively tortured with electric shocks during his arrest.
On November 14, 2025, Sergei was arrested again and served two administrative sentences. And on December 12, he was arrested on criminal charges.
