On October 21, 2007, al-Amin was transferred to the ADX Florence supermax prison in Florence, Colorado.[21] On July 18, 2014, having been diagnosed with multiple myeloma, al-Amin was transferred to Butner Federal Medical Center in North Carolina.[22] As of March 2018[update], he is incarcerated at the United States Penitentiary, Tucson.[1]