A RUSSIAN naval captain was shot dead after a hitman tracked him down using a popular fitness app, investigators believe. Rzhitsky was suspected of being the captain of the submarine at the moment it unleashed the Kalibr missile hell on Vinnytsia. The 56-year-old is understood to have been in charge the day submarine unleashed the Kalibr missile hell on Vinnytsia from the Black Sea. Among the victims of the submarine missile bombardment was tragic four-year-old Liza Dmitrieva. Lieutenant-General Oleg Tsokov had been sanctioned by Britain and the EU for his role in Vladimir Putin’s war against Ukraine.