Two young men from Pennsylvania plotted to kill as many as 60 people in an ISIS-inspired bombing outside the New York City mayor's residence, federal prosecutors alleged in an indictment released Tuesday. The charges describe a chilling, premeditated attempt at domestic terrorism that failed only because the explosives did not detonate as planned.

Emir Balat, 18, and Ibrahim Kayumi, 19, are charged with attempting to detonate two explosives outside Gracie Mansion on March 7 during an anti-Islam protest. A third bomb was found in their car. Neither device went off as intended, and no one was injured, but the indictment paints a picture of two U.S. citizens who wanted their attack to rival the 2013 Boston Marathon bombing.

That bombing killed three people. Balat and Kayumi, prosecutors say, wanted a higher body count.

What the indictment alleges

The federal indictment, reported by the BBC, lays out a case built largely on physical evidence and the suspects' own words. Authorities recovered a notebook from the pair's vehicle containing a list of materials needed to assemble and detonate a homemade bomb. The notebook also outlined alternative attack plans, including using a vehicle to target a festival, parade, protest, or celebration.

Three days' worth of dashcam video and audio were found in the vehicle. That footage, prosecutors allege, captured conversations in which the suspects discussed their intentions in explicit terms.

In one exchange captured on dashcam, Balat allegedly said they were "gonna kill about 8 to 16 people", or as many as 30 to 60 if the area around the bombs was crowded. Police have alleged the men wanted the March attack to be "even larger" than the Boston Marathon bombing.

The dashcam also reportedly captured Balat making statements that left little room for ambiguity about intent:

"All I know is I want to start terror, bro. I want to petrify these people."

Pledged allegiance after arrest

Both suspects waived their constitutional rights to remain silent after their arrest on March 7, court documents show. What followed was not a walk-back. It was a doubling down.

A criminal complaint obtained by the BBC states that Balat, after his arrest, requested a piece of paper and used it to write a pledge of allegiance to the Islamic State group. He also called for the death of nonbelievers or infidels.

Court records show Kayumi told authorities he was affiliated with ISIS, had watched ISIS propaganda on his phone, and was partly inspired by the group to carry out his actions that day.

These are not ambiguous facts. These are statements made voluntarily, after arrest, by suspects who chose to speak. And they point to a single, clear motive: ideological violence carried out in the name of a designated foreign terrorist organization on American soil.

The target: the mayor's doorstep

Gracie Mansion is the official residence of New York City Mayor Zohran Mamdani. Neither Mamdani nor his wife, Rama Duwaji, was home at the time of the attempted bombing. Mamdani has said the suspects traveled to New York City to "commit an act of terrorism."

The choice of target matters. Gracie Mansion is not just a building, it is a symbol of city governance, and it sits in a residential neighborhood. An attack there, during a public protest, was designed to maximize fear and casualties among ordinary people exercising their right to assemble.

Mayor Mamdani has faced no shortage of challenges during his tenure. From a mounting winter death toll among the city's homeless to fiscal crises, the mayor's leadership has been tested repeatedly. But a foiled terrorist attack at his front door raises questions that go well beyond municipal management.

The suspects are both U.S. citizens from Pennsylvania. They were not on any publicly known watchlist, based on available reporting. They drove to New York with bombs, a notebook full of instructions, and a camera rolling in their car. The question of how two teenagers assembled explosives and traveled across state lines to attack the mayor's residence without triggering any prior intervention remains unanswered.

A failed detonation is not a failed plot

It is tempting to treat this as a near-miss and move on. No one died. The bombs did not work. The suspects were arrested the same day. But that framing obscures the gravity of what prosecutors describe.

Two American teenagers built multiple explosive devices. They wrote down their plans. They discussed killing dozens of people on camera. They drove to the nation's largest city and attempted to carry out a mass-casualty attack inspired by ISIS. One of the explosives was ignited but did not detonate. A third bomb sat in their car.

The fact that their plan failed mechanically does not diminish the intent. Federal prosecutors clearly agree, the indictment treats this as a serious terrorism case, not a botched stunt.

New York City has been grappling with a range of crises in recent months. Mamdani has drawn criticism from his own allies over storm response, and the city's budget situation has grown increasingly dire. But domestic terrorism is a different category of threat, one that demands a different kind of accountability from every level of government.

Open questions

The indictment released Tuesday answers some questions and raises others. The specific federal charges and statutes filed against Balat and Kayumi have not been detailed in available reporting. The federal court handling the case has not been identified publicly. And the exact nature of the anti-Islam protest that drew the suspects to Gracie Mansion remains unclear.

What is clear is the timeline. The suspects have been in custody since March 7. The indictment came months later. That gap suggests prosecutors spent considerable time building a case, one that now includes dashcam footage, a handwritten bomb-making notebook, a post-arrest pledge of allegiance to ISIS, and voluntary confessions of terrorist intent.

Meanwhile, the broader fiscal and governance struggles in New York City have not paused. Mamdani has pointed to his predecessor for a $12 billion budget shortfall, and taxpayers face the prospect of significant tax increases. The city's ability to fund law enforcement and counterterrorism operations at the level this threat environment demands is a question that connects directly to those budget fights.

Both suspects are young, barely adults. Their radicalization appears to have happened domestically, fueled by ISIS propaganda consumed on a phone. This is the homegrown terrorism threat that federal officials have warned about for years: not foreign operatives slipping through borders, but American citizens radicalized online, building bombs in their own communities.

The city's leadership has been stretched thin on multiple fronts. Debates over property tax hikes and a $127 billion budget have consumed political attention. But no line item in a city budget matters much if the people who live there cannot gather on a public street without risking a bomb.

The bottom line

Balat and Kayumi sit in federal custody today because their bombs did not work, not because the system caught them before they tried. They built explosives, drove across state lines, targeted a crowd at the mayor's home, and recorded themselves talking about mass murder. After arrest, they pledged allegiance to a terrorist organization and waived their right to stay silent.

Every fact in the indictment points to a deliberate, ideologically motivated attempt at mass killing on American soil. The only thing that separated March 7 from a catastrophe was faulty engineering.

Luck is not a counterterrorism strategy. And a nation that treats a failed bombing as a minor story is a nation that will eventually stop being lucky.