Documents filed in court today assert that officials from El Salvador told the United Nations that it "facilitated the use of the Salvadoran prison infrastructure" by the U.S. but that "the jurisdiction and legal responsibility for these persons lie exclusively with the" U.S.
https://www.lawdork.com/p/un-document-cecot-aea-birthright-law-firms?open=false#%C2%A7the-alien-enemies-act-cases