“Oswald was under counterintelligence surveillance from 1959 to 1963,” Morley said. “Everywhere he went he touched CIA collection operations, code-named secret intelligence operations, whose product was delivered to [counterintelligence chie James] Angleton.”
This may sound exaggerated or controversial so interested readers should consult the original records for confirmation.
The code name operations that collected intelligence on Oswald were HTLINGUAL, AMSPELL, and LIENVOY.