MIM(Prisons) is a cell of revolutionaries serving the oppressed masses inside U.$. prisons, guided by the communist ideology of Marxism-Leninism-Maoism.
Under Lock & Key is a news service written by and for prisoners with a focus on what is going on behind bars throughout the United States. Under Lock & Key is available to U.S. prisoners for free through MIM(Prisons)'s Free Political Literature to Prisoners Program, by writing:
MIM(Prisons) PO Box 40799 San Francisco, CA 94140.