In November, a United Nations Special Rapporteur compared the whistleblower's current confinement to torture.
He was frustrated with the immigration process and put into solitary confinement.
He used his final 10 minutes to complain about his prison conditions and the U.S. justice system.
Manning's supporters say she's been in solitary confinement for 26 days after refusing to testify before a grand jury.
John Dorn's case stands to change wider prison policy around HIV criminalization.
After getting busted for heroin, I spent a brief amount of time in solitary confinement. It changed my life forever.
The migrants, part of a group of 113 Africans set for deportation, boarded a plane in Texas on Thursday bound for South Sudan.
Solitary confinement, strip searches, prolonged yelling, threats, broken phone lines, mold, and being crowded in with hardened criminals.