New details are emerging in the controversy surrounding the release of US Army Sergeant Bowe Bergdahl.
Bergdahl - the only US soldier held by the Taliban after being captured in Afghanistan - was freed on Saturday in exchange for five Taliban prisoners in a dramatic deal brokered by Qatar.
The US army's initial investigation after his disappearance in 2009 concluded he left his post willingly, but could not determine why.
Now the army is conducting a new investigation.
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The Taliban has just released a video of the moment Bowe Bergdahl was released.
Triumphant mujahadeen waiting at a rendezvouz point, with their prisoner.
Bergdahl looks drawn and pale, but calm.
Overhead, a US chopper, surveys the scene before landing.
But this release has come at a cost.
Bowe Bergdahl was exchanged for five senior Taliban and Al Qaeda strategists.
And just how he fell into enemy hands has triggered a storm of controversy.
Matthew Vierkant, who served with Bergdahl in Afghanistan, near the Pakistan border, is in no doubt - he's a deserter.
"Berghdahl left his equipment and walked out on his platoon, and his oath to the United States, so he definitely isn't a hero, he definitely is a deserter."
The army will conduct what it calls a "comprehensive co-ordinated" review of his disappearance and captivity.
But US President Barack Obama says it's not asking him anything just yet.
"We obviously have not been interrogating Sergeant Bergdahl. He is recovering from five years of captivity with the Taliban."
Former Army Sergeant, Evan Buetow, who was Bergdahl's Team Leader, says there were signs the soldier had an exit strategy.
"He wanted to know how he could send his computer and some of his belongings home. And he asked me how he could get, ah, some money."
The controversy has prompted America's highest ranking military officer, General Martin Dempsey, to speak out on facebook saying like any American, he is innocent until proven guilty.
The White House has apologised to Congress for the secrecy surrounding its decision to swap Bergdahl for five senior Taliban figures.
A video only seen by the government was the final trigger -- it apparently shows Bergdahl growing frail in captivity.
Senators from both parties are fuming over the trade, forcing President Obama to defend his actions.
"Regardless of the circumstances, whatever those circumstances may turn out to be, we still get an American soldier back if he's held in captivity. Period. Full stop. We don't condition that."
Congress says the swap adheres to an American military code to leave no soldier behind...
But US senator Saxby Chambliss, a Republican from Georgia, says it meant negotiating with terrorists.
"According to the administration, and I'm just passing on what they have said, the negotiations were with the government of Qatar, and, therefore, they weren't negotiating with terrorists. I don't know how stupid this administration thinks the american people are, but we're not that stupid."
Senior military figures have told the New York Times Bergdahl left a note saying he was disillusioned with war and was off to start a new life.
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