Agent CHEESE and the Selective Destruction of Cairo's Files

By Harlan Pryce ·

British intelligence burned the archives of the SIME Special Section after 1945, leaving behind a curated set of "successes" and a fragmentary trail to Italy.

The cost of a double agent is rarely measured in currency; it is paid in the calculated erasure of the human being once the utility of their lie expires. When the files of the SIME Special Section were consigned to the flames after the Second World War, the British government did not just burn paper—it incinerated the evidence of how many lives were spent to buy a strategic deception.

What survives is a ghost. We are reading from a catalogue description of salvaged records, a narrow window into a wider darkness. The record identifies these as "key documents originating in Security Intelligence Middle East (SIME) which were salvaged from the files of the SIME Special Section before they were destroyed after the Second World War" (KV 4/197). In the arithmetic of intelligence, "salvaged" is a word of art. It does not mean rescued; it means selected.

The Cairo Scalpel

Security Intelligence Middle East (SIME) functioned as the central nervous system for British intelligence in Cairo, Egypt, designed to support the British Military Government in a region where every local allegiance was for sale. Within this apparatus sat the SIME Special Section, a surgical unit tasked with a specific, lethal objective: running double agents against the Abwehr, the German military-intelligence service that had operated since 1920 as the primary shield and sword of the Reichswehr and the Wehrmacht.

The record establishes that the Special Section focused on "double and triple agent methodology" and the execution of "deception operations" (KV 4/197). To the untrained eye, this looks like a textbook of tradecraft. To a historian, it looks like a confession. The Special Section did not merely gather intelligence; it manufactured it. By turning Abwehr assets into double or triple agents—spies who pretend to betray their handlers only to be controlled by a third party—the SIME Special Section turned the Middle East into a hall of mirrors.

But the record is silent on the mechanics of this betrayal. It mentions "plans for both actual and proposed deception operations," but the bodies that inhabited those plans are gone. The pattern suggests that the records excise the role of indigenous Middle Eastern intermediaries and political assets, framing the double-agent game as a binary struggle between British intelligence and the Abwehr to obscure local collaborations. The British did not operate in a vacuum in Cairo; they operated through a network of local power brokers whose names were likely the first to be fed to the incinerator in 1945.

The Case of CHEESE

Among the wreckage of the Special Section's files, one name is preserved with particular intensity: CHEESE. The record explicitly notes that the salvaged documents include "summaries of double agent cases, in particular CHEESE" (KV 4/197).

We have no biography for CHEESE. No real name, no country of origin, no final disposition. We have only the fact that CHEESE was an asset of sufficient value—or perhaps sufficient volatility—that their summary was deemed a "key document" worthy of survival while the rest of the operational files vanished.

This is the irony of the archival gap. By highlighting CHEESE, the record creates a vacuum around them. The desk's reading is that the absence of payment ledgers and final dispositions for agents like CHEESE indicates the intentional removal of the financial and legal liabilities associated with double-cross assets. When the war ended, the Security Service—the body that now holds these files under its Policy (Pol F Series) designation—had no interest in the debts owed to its spies. They saved the methodology; they burned the receipts.

The Italian Deviation

While SIME was based in Cairo to secure the Middle East, the salvaged records contain a jarring geographical outlier: "some papers relating to the 44 Committee in Italy" (KV 4/197).

Italy, the Mediterranean peninsula that served as the soft underbelly of the Axis, was technically outside the primary Middle Eastern mandate of SIME. Yet the Special Section was holding the paperwork for the 44 Committee, an entity linked to operations on Italian soil. The presence of these papers in a Cairo-originated file is not a clerical error; it is a map.

The 44 Committee represents a rupture in the official organizational chart. The desk's reading is that these papers are fragmentary residues of a larger Mediterranean strategic architecture that existed outside the SIME mandate. If the Special Section was holding the leash on assets in Italy, it suggests SIME was not merely a regional office, but a tactical tool for a higher-level political committee that viewed the Middle East and Southern Europe as a single, contiguous theater of deception. The 44 Committee was likely the steering mechanism for this broader architecture, and its appearance in the salvaged files is the only evidence we have of a shadow command structure that bypassed the usual channels of the State or Defense departments.

The Blueprint for a New War

The final, most telling detail is not what was saved, but where it was put. These records were not archived in a historical series for the benefit of future scholars. They were filed within the Security Service's "Policy (Pol F Series) Files" (KV 4/197).

In the language of the Security Service, a "Policy" file is not a ledger of what happened; it is a guide for what should happen next. The SIME Special Section's records were not preserved as a history of the war against the Abwehr, but as a manual for the war to come.

If this file is shaped the way it looks, the post-war destruction of the SIME Special Section files was a selective sanitization to remove evidence of operational failures and the 'dirty' logistics of agent recruitment, leaving only a curated narrative of methodology and success. By stripping away the failures, the names of the betrayed, and the costs of the bribes, the Security Service transformed a messy wartime record into a clean, doctrinal blueprint for Cold War double-agent operations.

The desk's reading is hard: the Security Service did not save the SIME files to remember the war; they saved them to institutionalize the lie. They kept the "methodology" of the triple agent and the "summaries" of assets like CHEESE to ensure that the transition from fighting the Nazis to fighting the Soviets would be seamless. The people who actually performed the work—the local assets in Cairo and the disposable agents in Italy—were treated as disposable hardware. Once the hardware was obsolete, the manual was kept, and the machines were burned.

Sources

  1. Organisation and functions of SIME Special Section (1942-1945): key documents originating in Security Intelligence Middle... — The National Archives (UK)
  2. Background: Siming (deity) — Wikipedia