12 Quotes by Sergei Ignatchenko

The know-how here is such that the intelligence officer can communicate with his agent without meeting him at all. Let us visualize the situation: the agent, who has to transmit information, walks near the rock, approaches it and transmits information at a distance of about 20 meters via a special device. The intelligence officer also walks nearby, receives information and gives new instructions to his agent.

You could throw this rock from the ninth floor, it can survive a long period in water.

An agent passes the information over by walking near the stone and transmitting it with a special device. A spy also walking by receives this information and provides his agent with new instructions.