Couple of quotes from this Politico article https://www.politico.com/news/2021/08/26/us-officials-provided-taliban-with-names-of-americans-afghan-allies-to-evacuate-506957

U.S. officials in Kabul gave the Taliban a list of names of American citizens, green card holders and Afghan allies to grant entry into the militant-controlled outer perimeter of the city’s airport, a choice that's prompted outrage behind the scenes from lawmakers and military officials.

“Basically, they just put all those Afghans on a kill list,” said one defense official, who like others spoke on condition of anonymity to discuss a sensitive topic. “It’s just appalling and shocking and makes you feel unclean.”