Home Spy Words, Terms and Codes

Here is a reference resource for all those spy codes and covert talk.

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• X RAYS – used by intelligence agencies and security services to pick key-locks and to deduce the settings for combination locks. Equipment fits in a standard briefcase.
• ZAPATISTA NATIONAL LIBERATION ARMY – an underground group in Mexico.
• ZERO-OUT – the range at which a weapon's sights will produce a bull's eye hit. Handgun fixed sights are usually zeroed-out at 25 yards. A sniper rifle scope is usually zeroed-out at 100 yards. The term cold barrel zero refers to the calibration of a SWAT sniper rifle so that the first (cold) shot will hit a target at 100 yards. Subsequent rounds will diverge due to barrel heating.
• ZHONGYANG LIANLUOBU – one of China's intelligence agencies.
• ZOU-HOU-MAN – back door access to a protected target (as used by China's intelligence agencies).

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