WITHOUT PREJUDICE
Cellphones can be tracked down to the meter in America. Also, some cellphones are equipped with a 'feature' that tells the tower how it lost power (i.e. powered off, battery removed, battery died).
Some cellphones are capable of being tapped without ringing and used as remote bugging devices.
See also:
http://www.spybusters.com/cell_phones_as_bugs.html.
Also, it may be that since maybe the mid 90s that sinus cavity resonance patterns have been stored and collected routingly as part US and global (Echel0n, etc) intelligence gathering (Google:
MASINT. See:
http://www.access.gpo.gov/congress/h.../ic21007.html; http://www.sec.army.mil/arat/ARAT/AR...ms/masint.htm).
=D
Happy holidays ->
http://web.archive.org/web/200308150...J/mil/celljam/
See also:
http://www.cell-phone-jammers.com/.