January 13, 2021, at 1:31 a.m., inside a pale green execution chamber in Terre Haute, Indiana, Lisa Montgomery took her final breath.
It was the final chapter of a story defined by tragedy, by severe mental illness, and by an unthinkable crime. But the lesser-known details of her last day on Earth were kept hidden behind locked doors and silent hallways.
While the public registered a historic execution, behind the scenes was a desperate struggle involving emergency petitions, conflicting medical reports, and a legal clock running out before dawn.
Here is the step-by-step account of Lisa Montgomery’s final hours on death row, and what actually happened inside that prison before the doors were locked.
The execution came remarkably close to being delayed again, and not just once. In the final 24 hours alone, multiple courts had issued orders and temporary blocks that threatened to stop the process entirely.
Her attorneys were not simply filing last-minute paperwork to delay the inevitable. They were presenting documented evidence arguing that Lisa Montgomery was so profoundly mentally ill that carrying out the execution would violate the Eighth Amendment, the constitutional protection against cruel and unusual punishment.
Independent evaluators who had spent extended periods of time with Lisa described severe cognitive and psychiatric impairments, including findings related to brain damage and dissociative symptoms so significant that, according to those reports, she could barely function in the present moment.
The central question her legal team raised was not simply whether she should have been executed for her crime, but whether the government was about to put to death a woman who lacked any meaningful understanding of what was being done to her or why.
That question was never fully resolved before the execution was carried out.
The morning of January 12th, the day before the scheduled execution, her attorneys, Kelly Henry and Sandra Babcock, were already in a full sprint.
Their argument rested on one core legal claim, that Lisa’s mental state had deteriorated so severely that executing her under those conditions was constitutionally impermissible.
They had independent medical evaluators on record whose findings directly contradicted the government’s own psychiatric assessment, and that contradiction became the center of a legal confrontation that accelerated through multiple courts within a matter of hours.
The Federal Bureau of Prisons had conducted its own competency evaluation, one that her legal team forcefully challenged as inadequate. They claimed it was conducted under conditions that made any honest psychiatric assessment nearly impossible.
What made the situation even more alarming to her legal team was how little time those government evaluators had actually spent inside Lisa compared to the independent specialists who had followed her case for months.
The specialists had arrived at conclusions that were almost unrecognizable from the government’s documented findings.
But the courts were moving in the opposite direction, and time was running out faster than anyone could slow it down.
That same afternoon, while Lisa remained inside the federal correctional complex, news broke that the United States Supreme Court had rejected her final requests for a stay.
Three justices, Breyer, Sotomayor, and Kagan, publicly indicated they would have granted it. For her legal team, the ruling was a devastating blow. The last realistic window for a judicial intervention had just closed.
The execution was now hours away.
Back inside the prison, the weight of that decision settled over Lisa.
Her attorneys later described a woman who was severely struggling to understand the reality closing in around her. She was disconnected, disoriented, and unable to process the timing of what was happening.
That inability to process the situation was precisely the argument her attorneys had been making all along, that the woman facing execution that night could not meaningfully grasp what was about to happen to her.
Hours were now shorter than anyone on her legal team could afford. According to accounts shared by her legal team and witnesses who were present, Lisa Montgomery spent much of her final hours in a state of severe psychological distress.
Her attorneys reported that she was barely communicating and barely eating, and that the woman sitting in that cell was not functioning in any way that resembled ordinary clarity or composure.
The legal arguments had changed nothing about her state. Her legal team argued she was unable to understand the circumstances surrounding her own execution, a condition that, they said, made carrying it out constitutionally unlawful.
Regardless of the original conviction, the competing psychiatric evaluations, one from the government and one from independent specialists who had spent considerably more time with her , produced conclusions so different from each other that the legal team filed an emergency petition challenging the government’s assessment as fatally rushed and fundamentally lacking.
The petition argued that no legitimate competency determination could be reached under the conditions the Bureau of Prisons had drawn up. They claimed the evaluation was too compressed and structurally insufficient to support a reliable finding one way or the other.
And for a brief moment, that argument worked.
A federal district court judge agreed with her legal team and temporarily blocked the execution just hours before it was set to proceed.
For a short window on the night of January 12th, the execution was off the schedule. Her attorneys had bought time, or so it appeared.
That window almost immediately closed. The Justice Department filed an appeal and the case moved back up the judicial chain at a speed rarely seen outside of capital cases. When the government is determined to carry out a scheduled execution, the machinery moved in a way that left almost no room for the courts to breathe.
By the early hours of January 13th, the temporary order had been reversed and Lisa Montgomery’s execution was restored to the timeline.
The clock now counted down in minutes.
Inside the federal correctional complex, it was now a thing of careful precision. The formal procedure for a federal execution follows a protocol that is clinical, procedural, and strictly deliberate.
Lisa was moved through an event with the quiet efficiency that the Bureau applies to these moments, not because they are routine, but because the system is designed to function the same way regardless of the events surrounding it.
Witnesses were assembled in the observation area, separated from the chamber by a pane of thick glass. The victim’s family members who chose to attend were positioned behind that glass, where they would witness the execution directly.
A spiritual adviser, a woman who had maintained a close relationship with Lisa throughout her final months on death row, was among the few sources of human presence still available to her in those last hours.
Outside the facility, her attorneys were still working, still making calls, still searching for any legal avenue that had not yet been exhausted.
That is what defense attorneys do when the person they represent is only hours away from dying and they believe the system has made a mistake it cannot undo.
Inside, none of that urgency existed. The protocol was moving forward. The prison official staff moved with the same neutrality that defined federal execution procedures, completely indifferent to the legal storm that had consumed the past 18 hours.
Proceedings continued.
Meanwhile, the emergency orders, the final filings, the phone calls from attorneys who refused to accept the outcome, none of that crossed the threshold once the door closed and the witnesses took their positions behind the glass.
The world outside was still fighting, still arguing, and still insisting. But inside that chamber, there was no longer a hearing to wait for.
What Lisa said, what she understood, what she felt in those final moments, much of it remains contained inside a building the public will never see.
At 1:31 a.m. on January 13, 2021, the lethal injection was proceeded with without interruption, yet not without the lingering sense of unresolved questions.
Lisa Montgomery was pronounced dead.
With that, the United States had carried out the execution of a woman on federal death row for the first time in 68 years.
The last time a woman had been executed at the federal level was 1953, when Bonnie Heady was put to death in Missouri. A gap of nearly seven decades that was not broken quietly.
Lisa Montgomery’s execution came at the tail of a series of federal executions authorized under an outgoing administration. A sequence that had restarted federal capital punishment after a 17-year pause and that drew intense national and international attention before it concluded.
She was the last in that sequence and the only woman, a distinction that added its own entirely separate layer of public scrutiny on top of everything else that had already unfolded.
Her attorneys released a statement within hours of the execution. They described the execution as the government carrying out a sentence against a woman who had been failed by every system that should have protected her long before she committed the crime for which she was convicted.
They stopped well short of excusing what she did. The nature of her crime left no space for that. But they drew a documented line between the severe 𝓪𝓫𝓾𝓼𝓮 and documented trauma that shaped her life from the childhood onward and the person who eventually entered the criminal justice system.
Their argument was not that her crime was acceptable. It was that the punishment had been imposed without a clear view of who she actually was.
They also pointed directly to the competency assessment. They argued publicly that the government had moved to execute a woman it had not genuinely evaluated, and that three Supreme Court justices had publicly stated they would have granted a stay.
That argument did not end with the execution. It lived on in the continuing legal and international debate over competency standards, severe mental illness, and capital punishment.
The reaction in the days that followed was immediate and divided.
Advocates for the victim’s family argued that justice had been carried out. They pointed to the real suffering, the irreversible harm, the documented impact.
They said the death sentence was a necessary response to what Lisa Montgomery had done, and no amount of psychiatric evaluation or documented trauma history could erase the severity of her crime.
In the years since, that legal battle has become central to the debate over the death penalty.