“0 0 SAC, Chicago (100-41353) SECRET 11/22/66 Director, FBI (100-442715) 1 - Mr. Ryan AD HOC COMMITTEE FOR A MARXIST-LENINIST PARTY, USA INTERNAL SECURITY -C (S) Ankh ReCGlet 11/7/66 relating to correspondence dated 10/25/66 received at the Ad Hoc Committee (AHC) post off”