Two FBI Moles Spent 19 Years Infiltrating the Communist Party

By Vera Kessler · August 7, 2026

Morris and Jack Childs lived double lives to track ties to the Kremlin and Beijing, though records from the operation's latter decade remain hidden in the shadows.

The name suggests a solitary endeavor, a single point of failure or success. In the nomenclature of the FBI, however, Operation SOLO was less about isolation and more about the precise, surgical insertion of assets into the heart of the Communist Party of the United States (CPUSA). It was a "long-running FBI program" designed to peel back the curtain on the CPUSA’s relationship with the Union of Soviet Socialist Republics, China, and other communist nations.

For someone who has spent years navigating the Stasi Records Archive, the mechanics of SOLO feel familiar. The objective was not merely to disrupt, but to observe—to turn a political organization into a listening post. The Bureau wasn't just looking for domestic agitators; it was tracking the umbilical cord that connected American communism to the Kremlin and Beijing.

The Architecture of the Mole

The operational lifespan of SOLO was remarkable in its endurance. Officially, the program spanned from 1958 to 1977. In the world of intelligence, two decades is an eternity. Most assets are burned, flipped, or retired long before they hit the ten-year mark. To maintain a presence within the CPUSA for nineteen years requires a level of discipline and psychological fortitude that borders on the pathological.

Central to this endurance were Morris and Jack Childs. The provided records identify them as "two of the principal agents in the operation." Crucially, the document notes that these men "had been involved with the Bureau for several years prior" to the official 1958 start date. This suggests a grooming process that began in the early 1950s, likely during the height of the Second Red Scare, when the lines between political affiliation and national security threats were being aggressively redrawn.

When an asset is embedded for that long, the distinction between the persona and the person begins to dissolve. Morris and Jack Childs were not merely reporting on the party; they were living it. They attended the meetings, spoke the jargon, and ascended the hierarchy, all while feeding the Bureau a steady stream of intelligence. This is the classic tradecraft of the deep-cover mole: becoming so indispensable to the target that the target becomes the primary source of your own security.

The Paper Trail and the Void

As a columnist for a paper built on declassified ghosts, I am always attuned to what is missing. The available files for Operation SOLO range from March 1958 to April 1966. This creates a significant archival gap. While the operation officially continued until 1977, we are looking at a window that closes a decade before the program’s end.

Why the gap? In the intelligence community, gaps are rarely accidental. They are the result of selective purging, classification shifts, or the simple decay of record-keeping. The period between 1966 and 1977 covers some of the most volatile years in American history—the escalation of the Vietnam War, the internal fracturing of the American Left, and the eventual Watergate scandal that brought the Church Committee's scrutiny to the FBI's domestic spying habits.

It is probable that the records from the latter decade of SOLO contain the most sensitive revelations, particularly regarding how the Bureau handled its assets as the CPUSA evolved. The documents we have provide the foundation—the establishment of the program and the early movements of the Childs—but they leave the resolution of the operation in the shadows.

Intelligence or Surveillance?

Evaluating Operation SOLO requires a balance between the imperatives of state security and the sanctity of political association. From a security standpoint, the program was a triumph. By infiltrating the CPUSA, the FBI gained a direct line into the strategic thinking of the USSR and China as it pertained to the United States. In the zero-sum game of the Cold War, knowing the enemy's internal dialogue was a prerequisite for survival.

Yet, the nature of the infiltration is inherently invasive. The CPUSA, regardless of its alignment with foreign powers, was a domestic political entity. The use of agents like Morris and Jack Childs demonstrates a willingness by the Bureau to operate in the grey spaces of the law to achieve strategic ends.

We are left with a portrait of a professional, patient, and profoundly deceptive operation. The Childs provided the Bureau with a window into a world that was, for many in the US government, an existential threat. Whether that window was a necessary safeguard or an overreach of federal power depends entirely on where one draws the line between intelligence and surveillance. The documents provide the timeline and the names, but the moral ledger remains open.