Oscar Collazo, Puerto Rican Nationalist metalworker from New York who in 1950 attacked Blair House with Griselio Torresola in an attempt to assassinate President Truman, was wounded and captured, sentenced to death — sentence commuted by Truman himself — and served twenty-nine years in federal prison before being freed by Carter's 1979 clemency.
Puerto Rico · Caribbean

Oscar Collazo

Oscar Collazo was born on 20 January 1914 in Florida, Puerto Rico — a small interior municipality in the central highlands — and grew up to embody one of the most complex and symbolically dense stories in the entire history of the Puerto Rican independence movement: the man who attempted to assassinate the President of the United States, whose death sentence was commuted by the very man he had tried to kill, who served twenty-nine years in federal prison, and who was finally freed by a different president's clemency in 1979, returning at the age of sixty-five to the Puerto Rico he had tried to liberate by the most direct means available. He was a metalworker who had migrated to New York City, become active in the Puerto Rican Nationalist community there, and absorbed the conviction — shaped by Pedro Albizu Campos's uncompromising analysis of Puerto Rico's colonial status and by the specific events of the early 1950s that seemed to close every path toward independence — that direct, armed action against the colonial power was both justified and necessary. On 1 November 1950, three days after the beginning of the Nationalist uprising in Puerto Rico that included Blanca Canales's proclamation of the Puerto Rican Republic in Jayuya, he and Griselio Torresola traveled together to Pennsylvania Avenue in Washington, D.C. and attacked Blair House, where President Truman was temporarily residing. The attack lasted less than a minute: Torresola was killed; Collazo was wounded and captured; one White House police officer was killed and two were wounded; Truman was unharmed. Collazo was tried, convicted of murder and attempted assassination, and sentenced to death. He was in the death house at Leavenworth when Harry Truman commuted his sentence to life imprisonment in 1952 — a decision that was simultaneously an act of presidential clemency and an act whose political symbolism was impossible to miss: the man who had tried to kill Truman was being kept alive by the man he had tried to kill, in a gesture that Truman appears to have understood as the more powerful response to political violence than execution would have been. Collazo served twenty-nine years in federal prison — in Leavenworth and later in other federal facilities — before being freed by President Jimmy Carter's September 1979 grant of clemency alongside Lolita Lebrón and Rafael Cancel Miranda. He returned to Puerto Rico, lived in Mayagüez, and died on 20 February 1994, at the age of eighty — outliving Torresola by forty-four years and outliving his prison sentence by fifteen years, having spent more than four decades in the orbit of an event that had lasted less than sixty seconds.

Puerto Rico Blair House Attack 1950 Sentenced to Death Sentence Commuted by Truman 29 Years Imprisoned Carter Clemency 1979

Born: 20 January 1914, Florida, Puerto Rico  |  Died: 20 February 1994, Mayagüez, Puerto Rico — aged eighty; Blair House attacker; sentenced to death; twenty-nine years in federal prison

At a Glance

Full NameOscar Collazo; born 20 January 1914 in Florida, Puerto Rico; migrated to New York City where he worked as a metalworker; became active in the Puerto Rican Nationalist community in New York; participated in the 1 November 1950 Blair House attack alongside Griselio Torresola; wounded and captured; tried, convicted, and sentenced to death; death sentence commuted to life imprisonment by President Truman in 1952; served twenty-nine years in federal prison; freed by President Carter's clemency September 1979; returned to Puerto Rico; died in Mayagüez 20 February 1994
Born20 January 1914, Florida, Puerto Rico; the municipality of Florida is in the central highlands of Puerto Rico, a small interior community whose residents experienced directly the economic and cultural consequences of American territorial rule; migrated to New York City, a common trajectory for Puerto Ricans of his generation seeking economic opportunity, and settled in the working-class Puerto Rican community where his political convictions were shaped and deepened by the specific conditions of Puerto Rican life in New York — the racial discrimination, the economic marginalisation, and the sustained connection to the island's independence movement that defined the community's political culture
Died20 February 1994, Mayagüez, Puerto Rico; died at eighty, having spent his final fifteen years in Puerto Rico after his 1979 release; he lived in Mayagüez with the quiet dignity of a man who had paid an enormous price for his convictions and who maintained those convictions without public drama in the years after his return; his death was noted in the independence movement as the passing of the last survivor of the two-man attack on Blair House — Torresola had died in the attack itself — and as the end of the chapter of the Nationalist movement's history that his life had opened in November 1950
The Blair House AttackOn 1 November 1950, All Saints' Day, Collazo and Griselio Torresola approached Blair House from the east and west respectively and began firing simultaneously at approximately 2:20 in the afternoon; Collazo's pistol misfired at a critical early moment, giving the guards a few extra seconds to respond; he was wounded in the chest by a Secret Service agent; Torresola, on the western side, shot three officers before being killed by a mortally wounded Officer Coffelt; Collazo was arrested at the scene, bleeding; two Secret Service agents were wounded and Officer Coffelt died
The Death SentenceTried in federal court in Washington, D.C.; convicted of murder — for the death of Officer Coffelt, killed by Torresola during the attack in which Collazo participated as a co-conspirator — and of assault with intent to kill; sentenced to death; held in the death house at Leavenworth Federal Penitentiary in Kansas while his appeals proceeded; the death sentence made his case the most consequential of all the Puerto Rican Nationalist prosecutions in terms of its potential outcome, and the sustained campaign for commutation by Puerto Rican independence advocates and international human rights organisations was among the most intense in the movement's history
Truman's CommutationPresident Harry Truman commuted Collazo's death sentence to life imprisonment in July 1952 — approximately twenty months after the attack; the commutation was technically a presidential act of clemency, but its political symbolism was extraordinary: the man whose death Collazo had sought was sparing Collazo's life; Truman offered no extended public explanation for the decision, but it was widely understood as a deliberate act of presidential restraint in the face of political violence — a refusal to give the independence movement a martyr that execution would have created
Twenty-Nine YearsServed twenty-nine years in federal penitentiaries — longer than any of the other Puerto Rican Nationalist prisoners of the 1950 and 1954 actions; the duration of his imprisonment reflected both his death sentence commutation and the specific terms of his life sentence; he maintained throughout his imprisonment the political convictions that had produced the Blair House attack, and the sustained international campaign for his release eventually produced the Carter clemency of 1979 that freed him alongside Lebrón and Cancel Miranda
New York Puerto Rican CommunityHis years in New York as a metalworker and Nationalist activist represented the diaspora dimension of the Puerto Rican independence movement — the specific form that independence politics took in the mainland Puerto Rican communities that were simultaneously part of Puerto Rico and shaped by their American urban experience; the New York Nationalist community provided both the personnel and the political energy for several of the movement's most dramatic actions, and Collazo's trajectory from New York worker to Blair House attacker to federal prisoner was a trajectory that the specific conditions of Puerto Rican life in New York made possible

Florida, Puerto Rico, New York, and the Formation of a Nationalist Worker

Oscar Collazo's political formation took place across two worlds: the Puerto Rico of his birth and early life, with its direct experience of American colonial rule and its specific regional culture shaped by the economy and the politics of the central highlands, and the New York City of his working adult years, where the experience of being a Puerto Rican immigrant in a racially stratified American metropolis gave his independence convictions their specific urban, working-class character. The movement from Florida, Puerto Rico — a small interior municipality whose residents had experienced the consequences of American territorial rule in the most immediate economic terms — to the metalworking shops and the Puerto Rican community organisations of New York City was a movement that connected him to both the island's independence tradition and the diaspora's particular way of maintaining and expressing that tradition.

New York's Puerto Rican community in the 1940s was one of the most politically active immigrant communities in American urban life — shaped by the specific conditions of racial and economic marginalisation in the city, by the sustained cultural connection to the island, and by the political tradition of the Nationalist movement that Albizu Campos had built and that continued to exercise enormous moral authority among Puerto Ricans who had not abandoned the independence cause even as the Popular Democratic Party's Commonwealth solution was gaining political ground. In this community, Collazo developed the political commitments that would eventually produce his participation in the Blair House attack.

His work as a metalworker placed him in the industrial working class whose conditions — the racial discrimination in unions and in hiring, the economic precariousness of immigrant workers in the American manufacturing economy, the specific humiliations of being a Puerto Rican in a city that classified Puerto Ricans as racially inferior — gave the abstract political argument for independence a concrete, daily dimension. The colonialism that Albizu Campos analysed in terms of international law and Puerto Rican sovereignty was, for a metalworker in New York, also the system that determined where you could live, what jobs you could get, and what respect you could expect in your daily interactions with the society around you.

November 1950: The Attack, the Wound, the Arrest

The decision to participate in the Blair House attack came in the context of the Nationalist uprising that had begun in Puerto Rico three days earlier — the insurrection that included Blanca Canales's proclamation of the Puerto Rican Republic in Jayuya and the attacks on police stations and government buildings across the island. The Washington action was the mainland complement to the island uprising, designed to demonstrate that the independence movement had both the will and the capacity to challenge American colonial power in the colonial capital itself.

Collazo and Torresola had known each other through the New York Nationalist community and had planned the attack together. The operational plan — a simultaneous assault on Blair House from two directions, intended to overwhelm the guards and create the window for a successful assault on the residence — was simple enough in outline but depended on the execution going precisely as planned. What actually happened was more complicated: Collazo's pistol misfired when he needed it most, costing him the seconds of initiative that might have changed the outcome; the guards responded more quickly and more effectively than the two attackers had anticipated; and the exchange of fire that followed was over in less than a minute.

Collazo was shot in the chest and fell at the base of the steps. He was arrested at the scene, bleeding but alive. Torresola, on the other side of the building, had been shot in the head by Officer Coffelt — himself mortally wounded — and was dead by the time the shooting stopped. The asymmetry of their fates — one dead, one wounded and captured — defined the subsequent histories of both: Torresola's martyrdom was immediate, and Collazo's became the long, complicated story of a man who had tried to die for his cause and instead had to live for it, in prison, for twenty-nine years.

The Death Sentence and the Extraordinary Commutation

The trial that followed was conducted in federal court in Washington, D.C., and the evidence against Collazo was overwhelming — he had been arrested at the scene of the attack, wounded, with his weapon beside him. The prosecution's theory on the murder charge — the death of Officer Coffelt — relied on the felony murder rule: even though it was Torresola who had shot Coffelt and Torresola who had been killed by Coffelt in return, Collazo was legally responsible for the killing because it occurred during the commission of a felony that he had participated in. The jury convicted and recommended death.

The death sentence placed Collazo in the death house at Leavenworth and placed the Puerto Rican independence movement in the specific position of demanding clemency from the man whose death its member had sought. The sustained advocacy for Collazo's life — from Puerto Rican independence organisations, from international human rights bodies, from Latin American governments and organisations — was among the most intense and most politically complex campaigns in the movement's history, because it required making the argument for mercy from the exact person who had been the intended victim of the action for which mercy was being sought.

Truman's commutation in July 1952 was one of the most politically complex acts of his presidency. He did not explain it fully or publicly. He did not suggest that Collazo had been wrongly convicted or that his actions were justified. He simply exercised the presidential power of clemency to spare the life of the man who had tried to take his, transforming the death sentence to life imprisonment. The political symbolism of this act — the deliberate choice not to make a martyr of the man who had sought his death — was not lost on contemporary observers, and it has been discussed and interpreted in the literature of the Puerto Rican independence movement ever since.

Twenty-Nine Years: The Long Reckoning with a Life Given to the Cause

The twenty-nine years that Oscar Collazo spent in federal penitentiaries were longer than the combined prison terms of any of the other Puerto Rican Nationalist prisoners of the era — longer than the twenty-five years served by Lebrón and Flores, longer than the seventeen years served by Blanca Canales, longer than the six years served by Corretjer and Soto Vélez. He had been sentenced to death and then to life, and the specific weight of that history — the years in the death house, the commutation, the decades of life imprisonment — was the defining experience of his adult maturity.

He maintained throughout his imprisonment the political convictions that had produced the Blair House attack, and the sustained campaign for his release — which intensified through the 1960s and 1970s as the Puerto Rican independence movement developed new organisations and new alliances — was eventually successful. Carter's September 1979 clemency, which freed Collazo alongside Lebrón and Cancel Miranda, came when Collazo was sixty-five years old, and he returned to Puerto Rico having spent more than a quarter-century of his adult life in federal prison for an action that had lasted less than sixty seconds.

His return to Puerto Rico in 1979 was a moment of personal and political significance for the independence movement — the return of one of the movement's most consequential and most tested figures to the island whose freedom he had tried, at the most direct personal cost, to secure. He settled in Mayagüez, lived quietly, and maintained the political convictions that had shaped his entire adult life without seeking the public prominence that continued to attach to Lebrón and Cancel Miranda.

The Symmetry of Truman's Mercy and Its Political Meaning

The relationship between Oscar Collazo and Harry Truman is one of the most extraordinary in the history of American political violence — a relationship defined by an attack, a death sentence, a commutation, and a strange mutual acknowledgment of something that neither man could easily name. Truman had been the intended target of the attack; Collazo had been willing to die in carrying it out; Truman had refused to provide the death that the execution would have given the independence movement; and the two men had subsequently lived out the remainder of their lives — Truman died in 1972, Collazo in 1994 — in the knowledge of what had passed between them.

Truman's specific motivation for the commutation has never been fully explained. The explanations that have been offered range from the pragmatic — a political calculation that executing a Puerto Rican independence activist would create more problems than it solved — to the more personal and principled, a genuine reluctance to use the death penalty for political violence when the political cause, however wrongly pursued, reflected a genuine grievance. Truman's private papers and his public statements offer hints of both motivations without fully resolving the question.

What the commutation established was a relationship between the colonial power and the independence movement that was different from simple repression: a relationship in which the colonial power had demonstrated the capacity for restraint in the face of direct personal challenge, and in which the independence movement had been denied the martyrdom that Torresola's death had already provided. The political meaning of this relationship has been debated in the Puerto Rican independence literature for decades, and the question of whether Truman's mercy was a gesture of genuine respect or a more calculated act of political management remains open.

Legacy: The Man Who Came Back from the Death House

Oscar Collazo died on 20 February 1994, in Mayagüez, at the age of eighty — having survived the Blair House attack, the death sentence, twenty-nine years in federal prison, and the return to a Puerto Rico that had changed enormously during the decades of his imprisonment. He had attempted the most extreme act available to a Puerto Rican independence activist and had lived to see most of its consequences: the death of his partner in the attack, the years in the death house, the commutation, the long imprisonment, the release, the return. He had not seen Puerto Rico's independence achieved, and he died with the cause he had tried to advance by the most direct means available still unresolved.

His legacy in the Puerto Rican independence movement is that of a figure who paid an almost maximal price for his convictions — who came as close to death as a person can come without dying, who spent twenty-nine years in federal prison, and who maintained the convictions that had produced both experiences without public recantation. The complexity of his relationship to Truman — the attacker kept alive by the intended victim — gives his story a dimension of political and human complexity that the more straightforwardly heroic narratives of the independence movement cannot easily accommodate, and this complexity is part of what makes his story essential to the complete picture of what the Nationalist tradition was and what it cost the people who lived it.

Other Puerto Rico Profiles

Puerto Rico Andrés Figueroa Cordero 1954 Capitol attacker; compassionate release 1977; died 1979 Puerto Rico Blanca Canales Led the Jayuya Uprising the day after the Blair House attack Puerto Rico Clemente Soto Vélez Poet-revolutionary; imprisoned with Albizu Campos 1936 Puerto Rico Filiberto Ojeda Ríos Macheteros commander; killed by FBI on Grito de Lares day 2005 Puerto Rico Gilberto Concepción de Gracia Founded Puerto Rican Independence Party; democratic path Puerto Rico Griselio Torresola Collazo's partner; died in the Blair House attack Puerto Rico Irving Flores 1954 Capitol attacker; freed by Carter clemency 1979 Puerto Rico Juan Antonio Corretjer Puerto Rico's national poet; imprisoned alongside Albizu Campos Puerto Rico Lolita Lebrón Led the 1954 Capitol attack; freed alongside Collazo in 1979 Puerto Rico Pedro Albizu Campos Harvard lawyer; Nationalist commander; Collazo's inspiration
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