During the investigation, it was found that the theft was committed by an employee of the Kirov branch of the police, who was responsible for the storage of material evidence. He damaged the packaging and pulled out about 15 kilograms of marijuana. To hide the shortage, he dried the usual grass and mixed it through the hole in the bag with the drug. At the same time, the police officer, apparently, could not correctly calculate the ratio and added too little grass to the bag.
c) Slow