Inside the crucial final hours as American diplomats tackled last minute obstacles to bring five Americans imprisoned in Iran home

By Jennifer Hansler, CNN

(CNN) — In the final hours as the United States closed in on a controversial but historic deal to bring five Americans deemed wrongfully detained in Iran home, Iranian officials threw up roadblocks, attempted to force the US government to make last minute concessions and even stalled the process minutes before the detainees were set to board a flight out of Tehran.

CNN has learned new, behind-the-scenes details about the final few days and the obstacles American diplomats had to navigate as they sought to ensure a diplomatic breakthrough that had been years in the making did not fall apart in the crucial last stages. Senior State Department officials spoke to CNN about what happened on the condition of anonymity to discuss the sensitive details.

According to the officials, acting US Special Envoy for Iran Abram Paley and Special Presidential Envoy for Hostage Affairs Roger Carstens arrived in Doha on Saturday afternoon to coordinate with Qatari and Swiss officials on the logistics for the release of the five American detainees and two of their family members, which they anticipated would take place on Monday.

The diplomatic relationship with Iran is incredibly tense and even though years of painstaking indirect negotiations had brought the process to an apparent finish line, the Americans had to contend with last minute efforts to stall and try to get more out of the US, despite the two sides having an agreed-upon deal.

The Iranians even threatened not to include all five of the Americans in the release unless the US did more, the officials told CNN.

But having come this far, the Americans made clear they were not going home without all five – it was a non-negotiable to the US and the Iranians relented.

“We held our line and the Iranians backed down and we made it work,” a senior State Department official said.

The US officials suggested the negotiators didn’t see these Iranian attempts as a significant threat that could sink the deal, but rather as part of a typical strategy by Tehran.

“They’re always just trying to throw sand in the gears, always trying to negotiate and try to get more and more,” the official said. “We’ve taken a very firm line and a very principled position, so we stood firm.”

Still, “each hour there was something new that the Iranians were trying to stall with or just be difficult for the sake of being difficult,” they added.

Hurdles on the day of departure

The Americans felt confident that the deal itself was enticing enough that Iran wouldn’t actually walk away and that it was strong enough that they couldn’t renege on it and still get what they wanted. Under the agreement, $6 billion in Iranian funds were transferred from restricted accounts in South Korea to restricted accounts in Qatar to be used for humanitarian purchases, and the US would release five Iranians from US custody.

The last of the Iranian funds reached the bank accounts in Qatar on Monday, and the US had coordinated with the Qatari officials to notify Iran that the funds had arrived, which would then set off a sequence of steps to lead to the release.

There was a delay, however, because the Iranian officials “couldn’t find the head of the Central Bank to sign some letter that they had to transmit throughout their interagency to then authorize people to let them leave the hotel and go to the airport to pave the way for everything,” the senior State Department official told CNN.

But the money arrived, and everything seemed set. But nothing in this process was simple and even in the hours before the freed Americans were set to board a Qatari jet from Iran to Doha, Iranian officials were still trying to cause delays, the officials told CNN.

The Iranians tried to insist that everyone, the released prisoners and diplomats from all sides, have lunch at the airport in Tehran before departing. But the Qatari officials, in a smooth diplomatic maneuver, countered that they would be offended if everyone did not eat while on board the Qatari plane and an agonizing final delay was avoided.

Having navigated the series of late hurdles, the Qatari plane carrying Siamak Namazi, Morad Tahbaz, Emad Shargi, and two other freed detainees whose names are not publicly known, as well as Namazi’s mother, Effie, and Tahbaz’s wife, Vida, took off from Tehran shortly before 9 a.m. ET on Monday.

When they landed in Doha, the Americans were greeted by Carstens and Paley, who gave them their own personal cell phones to call their family members, whose numbers were already in the phones.

They also received a call from Secretary of State Antony Blinken, who spoke to each of them individually for more than 10 minutes, according to officials. Blinken said on Monday that it was “an emotional conversation.”

The State Department, without offering too many details or trying to raise their hopes too high, had given the family members a heads-up late last week that they should consider making their way to the Washington, DC, area. They were in very regular contact with the families after that, and President Joe Biden called them on Monday morning after their loved ones were released.

The department had solidified their plans to bring the returned Americans to Fort Belvoir, Virginia, about 10 days prior to the release, another US official told CNN, and staff from the Defense Department’s Post Isolation Support Activities (PISA) program flew in to be ready to help. All of the returned Americans agreed to take part in the program.

On Monday afternoon, shortly after 1 p.m. ET, the US plane carrying the seven Americans, Carstens, Paley and other US officials departed Doha en route to the US. In an interview with “CNN This Morning” on Tuesday, Carstens said the flight home was “very emotional,” as the Americans got to interact for the first time without being surveilled by Iranian authorities.

And early Tuesday morning, the plane touched down at Fort Belvoir. The Americans stepped off the plane, onto US soil, and into the arms of their loved ones, who carried small US flags that they had brought.

“We’re home,” Shargi said after embracing his daughters. “I can’t believe it.”

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