There’s another connection. According to the most recent biography of Frank Marshall Davis, Davis was a close friend of and close Communist collaborator with none other than Vernon Jarrett, thereby making an effective, close connection for the Illegal with Jarrett through Davis. Thus, the connection pretty clearly seems to start with Davis who plugged him into Jarrett, who then plugged him into the rest of the Chicago radical community, including Valery, Moochelle, and the Ayres, both father and son.