I think this may explain these "unlocked" cell phones. And I might add that a relative just bought a prepaid cell phone and my caller ID doesn't identify him as it does his home land line or his regular cell phone that his wife carries. This leads me to believe that terrorists would have a real advantage in getting unlocked prepaid phones as they couldn't be traced to the user. I think. And they could simply discard the phone after using it. This would be doubly safe if they were up to no good.
http://www.wisegeek.com/what-are-unlocked-cell-phones.htm
Thanks for the info...
here is how they are unlocking them
http://www.howardforums.com/archive/topic/756978-1.html
The more I dig, the more I think these are going overseas for resale. Unlockable/unlocked phones makes sense - just like the black market on hacked/hackable satellite tv equipment, if it can be used to exploit a loophole in a system it'll sell very well and for a high profit.