It has long been rumoured that the former American actress might be aiming for a political career in the US.
The rush to leave Kabul has sparked harrowing scenes and left at least eight people dead.
The couple were previously criticised for failing to mention what personal contribution they have made to the cause.
But an intelligence document for the United Nations said militants were going door-to-door hunting former government officials and those who worked with US and NATO forces.
Islamist extremists staged one of the deadliest terrorist attacks in history
The recent stampede is the latest in a series of chaotic scenes from the airport
Biden said that since the Taliban captured Kabul last weekend about 28,000 people had been flown out.
The document, dated Wednesday, was written by the Norwegian Center for Global Analyses, an organization that provides intelligence to UN agencies.
The controversial publication has linked the new PSG player with the situation in Afghanistan
The incident happened in June weeks before America's planned withdrawal from Afghanistan.
Hardware supplied to the Afghan forces that is now in Taliban hands has raised concerns.
"It's easy to find ourselves feeling powerless, but we can put our values into action — together."
The news comes with social media platforms facing pressure to block accounts used by the Taliban
Some other countries, including Germany and France, have also been able to pick up their nationals and Afghans qualified to travel to those countries.
Prince Harry had received an Operational Service Medal for Afghanistan by his aunt Princess Anne for his time in the war-zone.
Critics say the US reputation as a global power has been badly tarnished by the Taliban's victory,
The United States then released a statement with more than 65 nations urging the Taliban to let Afghans leave the country
The United States plans to keep arming and training the Afghan military
Blinken said the United States will also let in more Afghans who served as interpreters or in other support roles to forces of the US-led coalition
Afghan civilians, who have long taken the brunt of the fighting, are also watching the Taliban advance in fear.
President Ashraf Ghani blamed the Taliban for all the "bloodshed and destruction," adding that his government will not "surrender" to the militants.
The growing fear and uncertainty about the future have left many Afghans desperate to leave.