The administration and senators classified information on the decision . Lawmakers say they saw ` ` Proof of Life '' video that was key in the decision . The administration 's rationale for trading terror suspects has come under fire . Complex negotiations were conducted through the government of Qatar , which accepted the transfer of the five Taliban prisoners who had been held for years at the U.S. detention facility at Guantanamo Bay , Cuba . Sen. Marco Rubio said the decision shed little new light on the issue .
The administration and senators classified information on the decision . Lawmakers say they saw ` ` Proof of Life '' video that was key in the decision . The administration 's rationale for trading terror suspects has come under fire . Sen. Marco Rubio said the decision shed little new light on the issue .