ST. PETERSBURG, April 20 (Xinhua) -- Members of a criminal group, led by a former employee of the Russian Federal Drug Control Service, were found guilty of drug trafficking from Uruguay to Russia and illegal possession of weapons.

TASS reported that the decision was made by a jury in St. Petersburg.

The case had been investigated since 2014, when members of the criminal group were detained, according to the report.

One of them was detained at the Pulkovo airport with 11 kg of cocaine, the report said.

The investigators also found more than 60 kg of hashish, 200 liters of psychotropic substance, as well as other drugs and reagents for their manufacture.

Head of the gang Alexander Bolshakov, who was a former employee of the Russian drug control service, was also found to have firearms and ammunition.

The court will pass sentence in the near future, according to the report.