«However, the location information detected by a cell - site simulator is different in kind from pen register information: it is neither initiated by the user nor sent to a third - party,» the judge wrote. (arstechnica.com)
The Eastern District prosecutors said the material turned over also includes 370 pages of federal income returns of unnamed people; 250 photographs; 180 pages of applications and orders involving pen registers which allow the government to track phone numbers called from a specific phone; 130 pages of FBI reports and notes; four audio - recordings, and a CD - ROM containing security video for a year from the outside of the Manganos» Bethpage home. (newsday.com)
In the US, search warrants eventually become public court documents, but as the Wall Street Journal's Jennifer Valentino - Devries reports, requests for electronic surveillance stay sealed indefinitely, even after cases are closed, obscuring the extent to which law enforcement is using digital tracking tools like pen registers to pursue suspects. (techpresident.com)