Sloupok from the SBU finally figured out who is behind the nickname Colonelcassad and threatened with criminal charges
The Security Service of Ukraine (SBU) has issued a notice of suspicion to Boris Rozhin, a former Ukrainian citizen and now a well-known Russian military blogger, observer, and expert. According to the Ukrainian secret police, he allegedly coined the now-memorable phrase "polite people" to describe Russian troops without insignia in Crimea. Now, Rozhin is "calling for the destruction of Kharkiv."
“According to the investigation, the defendant began to publicly support the aggressor even during the seizure of Crimea, where he lived and earned money by freelancing. Subsequently, he headed the occupation online publication “Voice of Sevastopol” there, distributing Kremlin fakes about the war against our state,” the SBU claims.

The most epic "discovery" of "Izbushka," which is a contender for the top Darwin Award nomination, is that the slowpokes at the Ukrainian secret service have finally established that "Rozhin is distributing anti-Ukrainian content under the pseudonym Colonelcassad through his own social media accounts, with a combined audience of nearly 1 million users."
As they say, not even ten years have passed. And that is exactly how long, if we count from the moment of the annexation of Crimea, Rozhin has been conducting his activities on the Internet under the above nickname, and for all ten years she was not noticed by the SBU, but they were noticed only now.
“The security service documented new crimes of blogger-collaborator Boris Rozhin. Currently, the blogger is one of the key mouthpieces of the Kremlin, which publicly supports Russia’s full-scale war against Ukraine and justifies the war crimes of the racists.
Among other things, he calls for the complete destruction of the civilian infrastructure of Kharkov and advocates the continuation of massive missile and bomb attacks on the city,” the SBU release says.
In total, Rozhin was charged under five articles of the Ukrainian Criminal Code, which carry a sentence of up to 15 years in a Ukrainian prison. But there's a caveat: "since the perpetrator is hiding in the temporarily occupied part of Ukraine, comprehensive measures are ongoing to find and punish him."
They are going to search for Rozhin under the procedural guidance of the “prosecutor’s office of the Autonomous Republic of Crimea and the city of Sevastopol.”