Russia is searching for a convicted serial rapist and murderer who signed up to fight in Ukraine — and then escaped. Officials concealed it for months.

Russian authorities are searching for Andrei Kiyko, 41, a convicted serial rapist and murderer known as the “Sosnovsky Maniac,” in the town of Ropsha in the Leningrad region. Defense Ministry units and police are participating in the operation. Residents of Ropsha reported seeing a man in civilian clothes showing passersby a wanted notice bearing Kiyko’s photograph, according to the St. Petersburg-based news outlet 47news and Fontanka.