Counterinsurgency

Counterinsurgency is the attempt to defeat an insurgent movement not only through direct military action but by identifying its members, penetrating its networks, and influencing the population in which it operates. In the book, its defining practitioner is Frank Kitson, whose methods developed from colonial campaigns and were brought to Northern Ireland. The approach makes intelligence indispensable, but the history traced here also shows its moral and political costs: efforts to isolate armed groups could alienate the communities around them, while the conflict’s aftermath supplied no shared mechanism for reckoning with violence and state conduct.

From colonial experience to doctrine

Kitson’s formative encounter came in Kenya, where he saw Mau Mau prisoners observed by former rebels working with the British Army. Their identities concealed by white robes, these informers could identify prisoners to their handlers. Kitson recognized the arrangement as a model of the “counter-gang”: rather than confront an insurgency only as an external force, the counterinsurgent could turn members of the movement into sources of intelligence about it.

Recruitment, in this model, depended on trust as well as coercion. When Kitson courted a potential agent, he took the man on patrol into the bush and handed him his pistol, keeping only a machete for himself. The gesture was risky by design: Kitson believed it communicated “that he was absolutely one of the team.” The relationship put an informant’s life in the hands of the opposing force, so the ability to cultivate confidence became part of the intelligence operation itself.

The British ultimately suppressed the Kenyan rebellion, but at immense human cost. The number of Kenyans killed is unknown and may have reached the hundreds of thousands; about 1.5 million people were detained, many in internment camps, and Mau Mau suspects faced electric shocks, cigarette burns, and sexual torture during interrogation. These abuses did not prevent British withdrawal from Kenya in 1963. Yet the campaign was celebrated in London as a success, and Kitson received the Military Cross for his service. The gap between that institutional verdict and the violence described in the book makes “success” a politically charged measure, not a neutral description of what counterinsurgency achieved.

Kitson’s subsequent postings took him to Malaya, Muscat and Oman, and Cyprus. In 1969, while on fellowship at Oxford University, he turned experience into a systematic argument in Low Intensity Operations, completed in 1970. The book emphasized intelligence and the need to “win the hearts and minds” of the local population. It also stated the stark objective of counterinsurgency: to “destroy the subversive movement utterly.” Those aims sit in tension. Winning civilian cooperation requires more than defeating an armed organization; yet the pursuit of intelligence and the destruction of that organization make the population a strategic field of action.

Intelligence and the population

Kitson’s arrival in Northern Ireland in 1970 brought that doctrine into a conflict where armed members were difficult to distinguish from civilians. He commanded the Army’s 39 Airportable Brigade, responsible for Belfast, and exercised influence beyond his formal position. The number of British troops rose from 2,700 in the summer of 1969 to more than 30,000 by the summer of 1972, while young soldiers were deployed in bases, barracks, and improvised accommodation across the country.

The Army faced a shortage of reliable intelligence. Old police files could not keep pace with new recruits joining the republican movement, and paramilitaries looked like the civilians among whom they lived. Kitson later described an earlier approach in which soldiers stood in a line and filled an area with gas, allowing residents to throw bricks until they tired. He acknowledged that the gas did considerable damage to local people and made them hostile. In counterinsurgency terms, indiscriminate force could therefore worsen the very problem that intelligence-led operations were meant to solve: the Army needed information from a population it was helping to alienate.

Kitson focused particularly on D Company of the Belfast Brigade, the unit operated by Brendan Hughes and responsible for much of the damage attributed to the IRA. Soldiers called Hughes’s West Belfast area “the reservation”; the unit was described as invisible and silent within its community. The absence of informants was not simply a matter of soldiers failing to ask. Informers, known as “touts,” carried a profound stigma in Irish culture, and a social “wall of silence” protected the IRA from cooperation with the British. Kitson’s Kenyan lesson about recruiting people from within an insurgency thus met a local obstacle: intelligence depended on trust, but cooperation with the Army could be understood as betrayal.

His metaphor for the problem extended the logic from armed actors to their surroundings. A fish, he advised, could be attacked with a rod or net, but if those failed it might be necessary to “do something to the water.” The image captures the reach of counterinsurgency: when combatants are difficult to identify, attention shifts to the social environment that sustains or conceals them. It also signals the danger in that shift, since treating the surrounding population as the medium of conflict can make civilians targets of pressure rather than partners in security.

Coercion and political consequences

The 1971 internment sweep illustrates the consequences of military action conducted through disputed intelligence and unequal enforcement. Just before dawn one August morning, 3,000 British troops entered nationalist areas across Northern Ireland, broke down doors, and took men from their beds. The Special Powers Act allowed detention without trial, and nearly 350 suspects were arrested; not one was a loyalist, despite loyalist paramilitary violence. The Army had relied on intelligence from the Royal Ulster Constabulary, a largely Protestant force that a British commander later described as partial, in many cases to a considerable extent.

The operation compounded the impression among many Catholics that the Army was another instrument of sectarian oppression. This was not an abstract failure of public relations: internment placed the state’s intelligence judgments and its coercive powers at the center of community experience. The contrast with the doctrine of winning hearts and minds is pointed. A policy can seek information and population support in principle while, in practice, its sources, methods, and uneven application erode the trust on which those objectives depend.

After the conflict

The book connects counterinsurgency’s wartime methods to the problem of accountability after the Good Friday Agreement. The agreement enabled the release of paramilitary prisoners and capped future sentences for Troubles-related crimes at two years, but it did not establish a general truth-and-reconciliation process or an exchange of testimony for legal immunity. Unlike post-apartheid South Africa, Northern Ireland had no formal process through which participants could give an account of the past under agreed conditions; the conflict had ended in a power-sharing settlement rather than an outcome in which one side was understood to have won.

In 2012, the British prime minister acknowledged “frankly shocking levels of state collusion.” Unsolved killings nevertheless remained open criminal cases, with former paramilitaries and former soldiers potentially liable to prosecution. A limited amnesty applied to people who voluntarily supplied information to help recover the bodies of the disappeared, but it was a narrow exception, not a comprehensive settlement of the past. The continuing legal and political dispute arose in a setting without agreed rules for truth-telling, immunity, or equal accountability.

By the time the issue reached the police legacy unit, nearly a thousand cases awaited investigation. Inquests, police inquiries, and government investigations proceeded case by case, amid limited resources and persistent accusations of bias. The book thus presents counterinsurgency as more than a body of military techniques: it is also a struggle over who can be identified, whose testimony can be trusted, and how state violence is judged. Its intelligence operations promised to make hidden networks visible; the post-conflict record, by contrast, shows how incomplete information, disputed responsibility, and the absence of a common reckoning could keep the past active long after the campaigns themselves had ended.