Covert listening device

Covert listening device

A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, is a common technique in surveillance, espionage and in police investigations.

A bug does not have to be a device specifically designed for the purpose of eavesdropping. For instance, with the right equipment, it is possible to remotely activate the microphone of cellular phones, even when a call is not being made, to listen to conversations in the vicinity of the phone.[1][2][3][4][5]


Remotely activated mobile phone microphones

Mobile phone (cell phone) microphones can be activated remotely, without any need for physical access.[1][2][3][4][5][6] This "roving bug" feature has been used by law enforcement agencies and intelligence services to listen in on nearby conversations.[7] A United States court ruled in 1988 that a similar technique used by the FBI against reputed former Gulfport, Mississippi cocaine dealers Bennett Branch and Don Tomlinson dealing cocaine under the direct authority of kingpin David "The Eagle" Easterling after having obtained a court order was permissible.[8]

Automobile computer systems

In 2003 the FBI obtained a court order to surreptitiously listen in on conversations in a car, through the car's built-in emergency and tracking security system. A panel of the 9th Circuit Court of Appeals prohibited the use of this technique because it involved deactivating the device's security features.[9][10]

Examples of use

  • Embassies and other diplomatic posts are often the targets of bugging operations.
  • Colin Thatcher, a Canadian politician, was secretly recorded making statements which would later be used to convict him of his wife's murder. The recording device was concealed on a person who Thatcher had previously approached for help in the crime.[citation needed]
  • Electronic bugging devices were found in March 2003 at offices used by French and German delegations at the European Union headquarters in Brussels. Devices were also discovered at offices used by other delegations. The discovery of the telephone tapping systems was first reported by Le Figaro newspaper, which blamed the US.[citation needed]
  • The car of Thomas Hentschell, who was involved in the Melbourne gangland killings, was bugged by police.
  • In 1999, the US expelled a Russian diplomat, accusing him of using a listening device in a top floor conference room used by diplomats in the United States Department of State headquarters.[15]
  • In 2001, the government of the People's Republic of China announced that it had discovered twenty-seven bugs in a Boeing 767 purchased as an official aircraft for President Jiang Zemin.[16]
  • In 2003, Pakistani embassy building was found bugged, contractors hired by MI5 planted bugs in the building in 2001.[17]
  • In 2003, Alastair Campbell (who was Director of Communications and Strategy from 1997-2003 for the UK PM) in his memoirs The Blair Years: The Alastair Campbell Diaries alleged that two bugs were discovered in the hotel room meant for visiting British PM Tony Blair planted by Indian intelligence agencies.The alleged bug discovery was at a hotel during PM Tony Blair's official visit to New Delhi in 2001. Security services supposedly informed him that the bugs could not be removed without drilling the wall and therefore he changed to another room.[18][19]
  • In 2004, a bug was found in a meeting room at the United Nations offices in Geneva.[citation needed]
  • In 2008 it was reported that an electric samovar presented to Elizabeth II in about 1968 by a Soviet aerobatic team was removed from Balmoral Castle as a security precaution amid fears that its wiring could contain a listening device.[20]

See also


  1. ^ a b Schneier, Bruce (December 5, 2006). "Remotely Eavesdropping on Cell Phone Microphones". Schneier On Security. Retrieved 13 December 2009. 
  2. ^ a b McCullagh, Declan; Anne Broache (December 1, 2006). "FBI taps cell phone mic as eavesdropping tool". CNet News. Retrieved 2009-03-14. 
  3. ^ a b Odell, Mark (August 1, 2005). "Use of mobile helped police keep tabs on suspect". Financial Times. Retrieved 2009-03-14. 
  4. ^ a b "Telephones". Western Regional Security Office (NOAA official site). 2001. Retrieved 2009-03-22. 
  5. ^ a b "Can You Hear Me Now?". ABC News: The Blotter. Retrieved 13 December 2009. 
  6. ^ Lewis Page (2007-06-26). "'Cell hack geek stalks pretty blonde shocker'". The Register. Retrieved 2010-05-01. 
  7. ^ Brian Wheeler (2004-03-02). "'This goes no further...'". BBC News Online Magazine. Retrieved 2008-06-23. 
  8. ^ FBI taps cell phone mic as eavesdropping tool., CNET, 1 December 2006
  9. ^ Court Leaves the Door Open for Safety System Wiretaps, The New York Times, 21 December 2003
  10. ^ Court to FBI: No spying on in-car computers. CNET, 19 November 2003
  11. ^ "Fumigating the Fumigator". TIME Magazine. September 25, 1964.,9171,876162,00.html. Retrieved 2009-06-06. 
  12. ^
  13. ^
  14. ^
  15. ^ Johnston, David; James Risen (1999-12-10). "U.S. Expelling Russian Diplomat in Bugging of State Dept.". The New York Times. Retrieved 2008-03-27. 
  16. ^ | China Finds Spy Bugs in Jiang's Boeing Jet
  17. ^ "UK embassy 'bug' angers Pakistan". BBC News. 2003-11-10. Retrieved 2010-04-30. 
  18. ^
  19. ^ "Delhi clumsily bugged Blair's room". The Times Of India. 2007-07-30. 
  20. ^ Moore, Matthew (2008-11-25). "Russia's teapot gift to Queen 'could have been bugged' An electric teapot presented to the Queen by the Russians has been removed from Balmoral as a security precaution.". The Daily Telegraph (London). Retrieved 2010-04-30. 

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