Companies hired by the state to operate the  Florida  migrant detention center known as " Alligator Alcatraz " were notified Monday morning to begin "full demobilization" of the facility, quietly bringing an ignominious close a $1.2 billion experiment that was once hailed by Gov. Ron DeSantis and President Trump as a model other states should pursue, four sources familiar with the operations of the detention center told CBS News Miami. "All vendors got the notice," one source explained. The