This Boundless Informant slide shows the number of Polish phone records collected day-by-day between 10 December 2012 and 8 January 2013, from a facility codenamed US-916: see the book No Place To Hide, 13 May 2014.
This Boundless Informant slide shows the number of Polish phone records collected day-by-day between 10 December 2012 and 8 January 2013, from a facility codenamed US-916: see the book No Place To Hide, 13 May 2014.