"A criminal case has been opened in connection with the crash of the Il-20 plane over the Mediterranean Sea," she said.
According to her, investigators and criminologists of the department work at the scene of the incident.
September 18, the Ministry of Defense of Russia said, IL-20 was shot down by the air defense of Syria.
According to the ministry, this was due to the fact that the Israeli Air Force pilots were covered by a Russian airplane.
Russian President Vladimir Putin called for not comparing the situation with the events of 2015, when Turkey shot down the Russian Su-24.
The head of state also stressed that the Russian side will strengthen security measures for its military in the UAR.