It remained unclear whether the diplomatic effort was a genuine bid by the White House to address the plight of the immigrant, Kilmar Armando Abrego Garcia.

U.S. court records show Kilmar Abrego Garcia was last held in an El Salvador prison for low-security inmates, unlike the maximum security prison he was first sent to. The warden tells NBC News that gang members are not held at the facility.

President Donald Trump on Tuesday acknowledged that he could secure the return of Kilmar Armando Abrego Garcia, a Maryland man who was wrongly deported to El Salvador last month but refuses to do so.