a young German girl in a nearby town. In exchange for information and use of her flat to transmit, Leiser agrees to give her sexual companionship. During his first transmission, Leiser again falls under the strain of the operation and forgets to change frequency regularly whilst transmitting. As a result he spends 6 minutes on the same frequency slowly transmitting, instead of the maximum of two-and-a-half. This alerts the East Germans, who triangulate his position and converge on his hotel. News reaches Smiley and Control of the situation, and the conversation strongly implies Leiser's failure may have been engineered by Control. The police discover Leiser in the girl's flat. Now fully aware of the Department's plan, Smiley is sent by the Ministry to bring the Department's men stationed in West Germany back to London and terminate the operation. The following ending does not appear in the original novel: Smiley explains that Leiser's total ineptitude, combined with his old equipment, will make it easier for him to say he is not a spy. Leclerc and Haldane are tempted further by an extension of the Department's research section at the Circus with more funding, whilst only Avery weeps bitterly about the mission's failure. Having successfully escaped the hotel, Leiser takes refuge with the girl he met. The police encircle him and storm the apartment, the last time that Leiser is seen. The missile site, meanwhile, almost certainly never existed. The defector has a history of trying to sell fabricated "information" to Western services, the photographs he provided as evidence are dubious, and Leiser was unable to corroborate any part of his story. Characters Leclerc: Director of the "Department;" he can't let go of his glory days running successful aerial operations during WWII. Adrian Haldane: Veteran intelligence officer for the Department, who has served since World War II. Assigned to run the operation and handle Leiser's training and infiltration into East Germany. Jaded and in ill health. John Avery: 32-year-old aide to Leclerc, personally assigned by Leclerc to assist Haldane in training Leiser. Fred Leiser: naturalised Pole who served as a recruited agent for the Department during World War II; has forgotten or is out of practice in nearly all his clandestine skills. Jack Johnson: Veteran wireless operator for the Department, assigned to refresh Leiser's wireless skills on an obsolete, World War II-vintage radio set. George Smiley: Intelligence officer and envoy from the