Of the 73 causes of Leg numbness that we have listed, we have the following prevalence/incidence information: 1  4 causes are very common diseases. 2  3 causes are common diseases. 3  0 causes are uncommon diseases.  0 causes are rare 1  diseases. 8 causes are very rare diseases.  66 causes have no prevalence information.
clandestine - conducted with or marked by hidden aims or methods; clandestine intelligence operations; cloak-and-dagger activities behind enemy lines; hole-and-corner intrigue; secret missions; a secret agent; secret sales of arms; surreptitious mobilization of troops; an undercover investigation; underground resistance.
espionage, Espionage (colloquially, spying) is the obtaining of information considered secret or confidential without the permission of the holder of the information.Spies are usually for helping agencies to unfold a secret Espionage can be committed by an individual or a spy ring (a cooperating group of spies), in the service of a government, company or operating independently.