It’s hard to tell if they were second stringers or intentional diversions.
I wonder if any of these phones were from the hundreds of prepaid cell phones purchased by some Muslims from Detroit who were driving around the Midwest buying some at every Wal Mart they came to? Of course these innocent Muslims were released...no evidence of any terrorist activity.
Now one might expect NPR to reveal such information, but why is the FBI telling the news media about it? Not that it is such a terribly large secret, but given that it is still effective, why hasten the enlightenment of Al Qaeda?