 Poison laboratory of the Soviet secret services

Poison laboratory of the Soviet secret services, alternatively known as Laboratory 1, Laboratory 12, and Kamera (which means "The Cell" in Russian), was a covert research and development facility of the Soviet secret police agencies which reportedly reactivated in the late 1990s.Mairanovsky and his colleagues tested a number of deadly poisons on prisoners from the Gulags, including mustard gas, ricin, digitoxin, curare, cyanide, and many others.