"Bhuiya eventually became disillusioned with ISIS, and was able to return to the United States on his own initiative after contacting the FBI and requesting “extraction.” He faced criminal charges that could’ve landed him with 25 years in prison upon returning, but got off easy in part because of cooperation with the FBI, only receiving supervised release."

https://bigleaguepolitics.com/unreal-former-isis-terrorist-currently-works-for-the-department-of-justice-in-nyc/