The Death Penalty Assembly Line: How Florida Accelerated Executions — and Manufactured Wrongful Convictions

A recent episode of The Gray Area podcast pulled back the curtain on one of the darkest corners of the American death penalty system. Vox reporter Miles Bryan sat down with investigative journalist Pamela Koloff — who writes for both The New York Times Magazine and ProPublica — whose new book To Catch a Devil examines how a jailhouse informant used his testimony to send people to death row. The conversation confronted several sharp questions: Is there a humane method of execution? Can the death penalty bring closure to victims' families? Should capital punishment exist at all?

From Death Penalty Supporter to Skeptic

Koloff openly admits she grew up in 1980s New York, a product of the classic "tough on crime" era, and instinctively supported capital punishment as a young person. "I understood it the way a teenager would — someone did something truly horrible, so that's what they deserve."

What shook her was Errol Morris's documentary The Thin Blue Line, a film about a wrongful conviction in Dallas that stunned her — not just that a case could go wrong, but that it could go so wrong as to put an innocent person on death row. The subsequent rise of DNA testing confirmed that warnings about innocent people on death row were far from alarmist. She went on to cover numerous executions in Huntsville, Texas, speaking with defendants and victims' families alike, ultimately completing a journey many Americans have shared: seeing the deep flaws in the system, and how often it fails.

The Thin Blue Line (1988) is director Errol Morris's landmark documentary, focusing on the wrongful conviction of Texas man Randall Dale Adams, who came within days of execution. The film directly contributed to Adams's release and stands as one of the rare cases where a documentary changed legal outcomes. Morris made extensive use of dramatic reenactments and on-camera interviews with the real perpetrator to expose perjured testimony, police misconduct, and a range of systemic failures. The film not only established a new narrative paradigm for documentary filmmaking, but planted deep seeds of skepticism about the legitimacy of the criminal justice system among the American public — exerting a lasting influence on a generation of legal journalists and social activists.

The Broader Retreat from Capital Punishment in America

One often-overlooked fact: the number of executions carried out in America today is far lower than in the 1980s. Several states have halted or effectively shelved capital punishment, and public support has slid from over 70% at its peak to somewhere between 45% and 50% today.

Koloff points to a tangle of factors driving this retreat: the inability to guarantee lethal injection is "humane," the enormous cost of capital litigation, and the steady stream of wrongful convictions exposed by DNA evidence. She singles out Florida — the state that leads the nation in executions — which is simultaneously the leader in wrongful death penalty convictions. Over roughly the past fifty years, 30 people in Florida who had execution dates set were ultimately exonerated.

"For anyone who understands the criminal justice system and knows how difficult it is to overturn a wrongful conviction, the fact that Florida has 30 such cases means there are more that haven't been uncovered."

The "Humane" Execution Dilemma

Shortly before the podcast was recorded, a female death row inmate in Tennessee, Krista Pike, survived after two injections, prompting the state's governor to indefinitely suspend executions. It was the second botched execution in Tennessee that year.

Koloff uses this to highlight a telling contrast: Tennessee Governor Lee, despite supporting capital punishment, proactively called a halt and brought in a third-party review of the execution process — "You can support the death penalty and still want the system to work as well as possible." Florida Governor DeSantis, meanwhile, has pushed full speed ahead, even against a backdrop of widespread wrongful convictions. Koloff emphasizes that she is far less concerned with technical failures like botched executions than with "why someone ultimately suffered the ultimate punishment they should never have faced."

Florida: From Purgatory to Assembly Line

What makes Florida's death penalty system uniquely striking is this: among hundreds of death row inmates, who gets executed and when is entirely decided by one person — Governor Ron DeSantis. Koloff found no discernible pattern to when execution warrants are signed. Some death row inmates have been imprisoned since the 1970s (when Gerald Ford was president), and they are not executed in order of who has exhausted their appeals — a dynamic that creates a guessing game among victims' families, inmates, and defense attorneys about who is next.

Last year alone, Florida carried out 40% of all executions in the United States. The next-highest state, Texas, executed only 6 people in the same period, while Florida executed 16. This pace is what led Koloff to describe Florida's death penalty operation as having transformed from "purgatory" into an "assembly line."

Once an inmate receives an execution date, they are moved to a "Death Watch" unit — just three cells, located roughly 30 feet from the execution chamber. During her reporting, Koloff found all three cells occupied; often, the day after one person was executed, a new warrant would be signed and a new inmate transferred in. "Being held 30 feet from where you'll be killed is a distinct form of psychological torture."

One inmate who was later resentenced told her that in a sensory-deprived environment, you become acutely attuned to sound — he could recognize the jingle of keys and the particular footsteps of the group that delivered execution warrants, never knowing if this time it was his turn.

Jailhouse Informants: An Overlooked Source of Wrongful Convictions

The central figure of To Catch a Devil is Paul Skelnick — an Austin police officer in the early 1970s who descended into fraud and eventually became a jailhouse informant. He knew exactly how to work the system: jails are largely pre-trial detention facilities, holding people who haven't been convicted and are legally presumed innocent. He would identify whoever prosecutors most desperately needed to convict, then claim "that guy confessed everything to me."

This arrangement played out in more than 40 cases, with 37 concentrated in a single Florida county. Prosecutors would reward him with probation for "cooperation," while Skelnick could truthfully testify in court that no promises had been made — because the unspoken understanding required none.

A statistic Koloff cites is staggering: according to the National Registry of Exonerations, jailhouse informant testimony is involved in 7% of wrongful convictions overall — but in death penalty cases, that figure jumps to 25%. One in four death row exonerations involves a jailhouse informant. She has written in The Washington Post calling for a review of every capital case in which jailhouse informant testimony was used.

She also dissects why juries so readily believe these witnesses: Skelnick, as a prosecution witness, was typically called to the stand after high-credibility witnesses like the lead investigator and forensic experts, with prosecutors effectively signaling to the jury, "this is also someone you should believe" — "He was just one of the team."

The logic of the jailhouse informant system is rooted in a structural vulnerability in American criminal justice: pre-trial detention. In the U.S., large numbers of unconvicted suspects are held in jail because they cannot afford bail, sharing space with other detainees. Informants exploit this environment by claiming they obtained voluntary confessions during this period. Because such testimony is nearly impossible to independently verify, and prosecutors typically offer reduced sentences or dropped charges as an implicit reward, the entire arrangement operates with little transparency and stays just outside the formal prohibition on explicit "deals for testimony." The National Registry of Exonerations, maintained by the University of Michigan Law School, is the authoritative database systematically tracking all verified wrongful conviction cases since 1989, and is one of the most important academic resources for studying patterns in wrongful convictions.

The Jim Daly Case: A "Truth" That Can't Be Undone

The central case in the book is Jim Daly. Skelnick claimed to have heard Daly confess to the murder of 14-year-old Shelly, and wove emotionally charged details on the stand. Daly maintained his innocence throughout, but was sentenced to death in 1987 and sent to death row.

The roommate who, by all the evidence, actually committed the crime — and who was also convicted — received only a life sentence. Daly is now nearly 80, having spent close to 40 years on death row. Koloff's 2020 reporting briefly pushed the case toward review, but he remains imprisoned to this day.

Koloff uses this to articulate what she calls the "asymmetry" problem in the criminal justice system: the system prizes finality. Once something has been credited by a jury and fixed in a verdict, it becomes extraordinarily difficult to revisit — even with compelling new evidence. Even after the roommate confessed multiple times, judges have tended to defer to precedent and uphold the original conviction.

The principle of finality is a core value in the American appellate system. Its theoretical basis is that stable verdicts support the predictability of law and prevent judicial resources from being consumed by endless retrials. Critics argue, however, that in practice this principle has become a structural bias — courts reviewing new evidence set the bar for overturning precedent extraordinarily high, requiring appellants to prove that new evidence would cause "any rational juror" to have a reasonable doubt, a standard that places the already-convicted in a near-impossible position. The gulf between "actual innocence" and "procedural guilt" is the most contested aspect of this principle. The Daly case is a perfect emblem of this institutional logic: even with another defendant confessing multiple times, the system prioritizes the certainty of the original verdict.

The Illusion of "Closure" for Victims' Families

The conversation also explores the complex and painful position of victims' families. Some families sent custom Sharpie pens to DeSantis urging him to sign death warrants — and he did. But Koloff prefers the word "arbitrariness" over "cruelty" to describe the system: no one knows why certain people are chosen at certain times.

The lengthy appeals process in capital cases is a necessary safety valve, yet it also means families must return to court for five, ten, or even twenty-five years. Multiple studies show that many family members feel let down after witnessing an execution — the promised "closure" often never comes. And the parents, children, and siblings of those who are executed become what Koloff calls "a new set of victims' families."

Can the Death Penalty Be "Fixed"?

Asked whether she could envision a version of capital punishment that works fairly in America, Koloff gave a clear no. She offers the analogy of highway speed limits: we accept that driving carries a risk of casualties because nothing is perfect. But when it comes to the state executing a person — knowing all the ways this system can go wrong — she cannot imagine how to "get it right."

The reforms she advocates include incorporating awareness of the prevalence of wrongful convictions into legal education, and expanding mechanisms like Nashville's Conviction Integrity Unit — giving prosecutors a safe space to question their own cases, rather than single-mindedly pursuing a win. These efforts may not cure the fundamental defects of capital punishment, but they can quietly shift the culture of a prosecutor's office, restoring the priority of "pursuing justice" over "winning cases."

A Conviction Integrity Unit (CIU) is an internal mechanism that has emerged from recent prosecutorial reform efforts in the U.S. Established within prosecutors' offices, a dedicated team proactively reviews past convictions that may be erroneous. Unlike the adversarial dynamic of traditional appeals — where prosecutors defend the original verdict while defense attorneys work to overturn it — the core philosophy of a CIU is that the prosecution itself should take responsibility for correcting errors, rather than measuring performance purely by conviction rates. Experiences in New York, Dallas, Philadelphia, and elsewhere show that well-run CIUs can substantively advance the exoneration of wrongfully convicted people, though their effectiveness depends heavily on the political will of leadership and available resources — in jurisdictions dominated by conservative prosecutors, they are often toothless. The Nashville example Koloff cites illustrates how such mechanisms can quietly shift the daily culture of a prosecutor's office without wading into the political minefield of abolishing the death penalty.