These forests where the bandits are hiding must be cleared with poison gas. Careful calculations must be made to ensure that the cloud of asphyxiating gas spreads throughout the forest and exterminates everything hidden there. The artillery inspector must immediately release the required number of poison gas…[shells] and necessary specialists to the localities.

Victor Sebestyen, Lenin: The man, the dictator, and the master of terror, New York, 2017, p. 482