Red Chinese operatives or “friends” include former maoist communist activist Rep. Judy Chu (D-Cal), Communist Workers Party, and one local NY City politician whose name escapes me right now (she works Chinatown and Chinese American political/social organizations).
Lots of Red Chinese operatives in Long Beach, Cal and any port that they are building or operating in the US, Canada, Nicaragua, and Africa.
The Revolutionary Communist Party (RCP) i.e. RevCom.org is the leading maoist party in the US but there are a few smaller ones like the reformed CWP affiliates. Even the old Progressive Labor Party still has a few members who aren’t in wheel-chairs.
Thousands of Chinese students in the US are Red Chinese operatives, often not by choice (We have your families). The same for businessmen, even if they come from Hong Kong and a few from Taiwan, the old Macao, Malaysia, possibly Singapore, and some Pacific islands (such as Fiji).
Only a couple books on Red Chinese intelligence have been written though Bill Gertz of the Washington Times might have another one in the works or recently published one.