Editing Dead drop (section)

==Modern techniques==
{{See also|Short-range agent communications}}

On January 23, 2006, the Russian [[Federal Security Service (Russia)|FSB]] accused [[foreign relations of the United Kingdom|Britain]] of using [[wireless communication|wireless]] dead drops concealed inside hollowed-out rocks ("spy rock") to collect espionage information from agents in Russia. According to the Russian authorities, the agent delivering information would approach the rock and transmit data wirelessly into it from a hand-held device, and later, his British handlers would pick up the stored data by similar means.<ref name="Guardian spies">{{cite web|first=The Guardian|title=Moscow names British 'spies' in NGO row|url=https://www.theguardian.com/world/2006/jan/23/russia.politics|access-date=8 April 2012|author=Nick Paton Walsh|website=[[TheGuardian.com]]|date=23 January 2006|archive-date=29 August 2013|archive-url=https://web.archive.org/web/20130829223313/http://www.theguardian.com/world/2006/jan/23/russia.politics|url-status=live}}</ref>