On March, 27, 1986, U.S. Ambassador to Costa Rica Lewis Tambs sent this "back-channel" cable to the CIA, State Department and the White House to quietly inform Reagan officials of a deal struck between Helms envoy John Singlaub and Eden Pastora. This version of the document, uncovered by Iran-Contra investigators, bears a note typed in the margin by one of the recipients: "[ARDE official] 'Popo' Chamorro is alleged... to be involved in drug trafficking."
