The recently declassified CIA manual from 1974, known as the 201 system, sheds light on how the agency meticulously tracked and categorized key individuals, including figures like Lee Harvey Oswald. This system assigned each person a unique number and compiled a comprehensive dossier of reports on their activities.

The 201 system was a crucial tool for the CIA in gathering intelligence and monitoring potential threats. By assigning a unique number to each individual, the agency could easily reference and track their activities over time. This allowed them to build a detailed profile of each person, including their background, connections, and any suspicious behavior.

One of the most notable figures included in the 201 system was Lee Harvey Oswald, the man accused of assassinating President John F. Kennedy in 1963. The CIA’s dossier on Oswald likely played a significant role in understanding his motives and connections leading up to the tragic event.

The manual reveals the meticulous process by which the CIA collected information on these targets. Agents would gather reports from various sources, including surveillance, interviews, and other intelligence-gathering methods. This information would then be compiled into a dossier, providing a comprehensive overview of the individual’s activities and associations.

The 201 system was a key tool in the CIA’s efforts to maintain national security and protect against potential threats. By systematically tracking and categorizing key individuals, the agency could stay ahead of emerging dangers and take proactive measures to safeguard the country.

The declassification of the 201 system manual offers a rare glimpse into the inner workings of the CIA and its surveillance practices. It provides valuable insight into how intelligence agencies operate and the lengths they go to in order to protect the nation.

Overall, the 201 system was a sophisticated and comprehensive tool that allowed the CIA to effectively monitor and track key individuals of interest. By assigning unique numbers and compiling detailed dossiers, the agency was able to stay informed and prepared in the face of potential threats. The declassified manual serves as a reminder of the lengths intelligence agencies will go to in order to protect national security.

JFK FILES: CIA 201 SYSTEM — HOW THEY BUILT SECRET DOSSIERS ON TARGETS LIKE OSWALD

A declassified CIA manual from 1974 reveals how the agency tracked and categorized key individuals.

The 201 system assigned each person a unique number and built a full dossier of reports,… https://t.co/1m5bst8Oq5 pic.twitter.com/cg7FKq5UK2

— Mario Nawfal (@MarioNawfal) March 19, 2025

The recently declassified CIA manual from 1974 sheds light on the secretive 201 system that the agency used to track and categorize individuals of interest. This system, known for assigning unique numbers to each person, allowed the CIA to compile detailed dossiers on targets like Lee Harvey Oswald.

The 201 system was a sophisticated tool that enabled the CIA to gather information from various sources and create comprehensive reports on individuals. By assigning a unique number to each person, the agency could easily access and update their dossier with new information as it became available.

One of the key features of the 201 system was its ability to categorize individuals based on their activities and associations. This allowed the CIA to quickly identify potential threats and track the movements of key targets like Oswald.

The manual reveals that the 201 system was used to build a full dossier of reports on individuals, including information on their background, activities, and connections. This comprehensive approach gave the CIA valuable insights into the behavior and motivations of key targets.

Overall, the 201 system was a powerful tool that allowed the CIA to effectively monitor and track individuals of interest. By assigning unique numbers and building detailed dossiers, the agency was able to stay ahead of potential threats and gather valuable intelligence.

If you want to learn more about the CIA’s 201 system and how it was used to build secret dossiers on targets like Oswald, you can check out the declassified manual from 1974. It’s a fascinating glimpse into the world of intelligence gathering and surveillance.

In conclusion, the 201 system was a critical tool for the CIA in its efforts to track and monitor key individuals. By assigning unique numbers and building detailed dossiers, the agency was able to stay one step ahead of potential threats and gather valuable intelligence. It’s a reminder of the importance of intelligence gathering in national security efforts.