As a result of an investigation, officers of the Zavodskoi police staton revealed that the previously arrested militant was the commander of a gang acting in the Zavodskoi district of Grozny and in the nearby of the Chechnorechye village. According to the police press centre in Khankala, the investigation proved the involvement of the aforementioned gang in the attack with the employment of automatic weapons and rocket launchers at the check point, code name Fakel, where a police unit was stationed. As a result of the attack, several policemen were wounded. Officers believe that the detainee's testimony will help them eliminate all members of the gang.
The choice of the city of Helsinki is not incidental as the capital of Finland had hosted US-Soviet negotiations on the limitation of nuclear stockpiles in 1969