U.S. officials are questioning whether at least one of the five Taliban officers released in return for Bowe Bergdahl may have returned to militant activity.
CNN's Barbara Starr says the communications of the five Taliban are monitored and one of them has shown suspicious activity.
Our Washington correspondent Priscilla Huff reports:
IN: "At least one...
OUT: SOC
DUR: 45
POT: 37
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