Judicial Sentencing Discretion After Booker: What the Pre-Sentence Report Actually Determines

By Joseph De Gregorio

Disclosure: The author operates The Sentencing Advocacy Group, a federal sentencing consultancy. The methodology described in this article is among the services that the firm provides.

Federal judges have had broad sentencing discretion since United States v. Booker, 543 U.S. 220 (2005), restored their authority to impose individualized sentences. The Sentencing Reform Act of 1984 had made the guidelines mandatory; Booker made them advisory. Under 18 U.S.C. § 3553(a), judges are now explicitly required to consider the history and characteristics of the defendant, the need to provide rehabilitative programming, and the imperative to avoid unwarranted sentencing disparities.

That discretion is well understood in theory. What is less examined is the evidentiary mechanism through which judges actually exercise it. In practice, the document that delivers individualized information to the sentencing judge, the pre-sentence investigation report, determines how much of that statutory discretion can be used. A PSR built around structured, verifiable individual documentation gives a judge something concrete to cite. A PSR containing a paragraph summarizing a defendant’s history gives a judge very little to work with, regardless of how sympathetic that history may be.

This article draws on the author’s professional experience across more than 450 federal cases to examine how PSR quality affects sentencing outcomes, and what practitioners defense counsel, prosecutors, and the bench — can do with that information.

A RECENT ILLUSTRATION: THE BOWYER CASE

On Aug. 29, 2025, U.S. District Judge John W. Holcomb sentenced Mathew Bowyer to 12 months and one day in the Central District of California. The case had drawn national attention: Bowyer was the illegal bookmaker at the center of the Shohei Ohtani gambling scandal, having accepted millions in bets from Ohtani’s former interpreter, Ippei Mizuhara.

The applicable guidelines range was 41 to 51 months. The probation office recommended 36 months. Federal prosecutors, crediting Bowyer’s cooperation which was described as significant, timely, and credible, and which helped secure convictions in two separate cases including the case against Mizuhara recommended 15 months. Bowyer’s defense requested home confinement. Judge Holcomb sentenced Bowyer to 12 months and one day.

The mitigation in the case was substantial and documented: Bowyer had cooperated extensively with investigators, paid $1.6 million in restitution to the IRS before it was formally ordered, publicly acknowledged his crimes, and begun working with gambling addiction programs. Judge Holcomb acknowledged those factors explicitly. His remarks from the bench reflected the tension that structured mitigation creates at sentencing: “Despite the significant mitigation, there are consequences for committing these crimes.” The judge declined to impose home confinement, citing the severity of the tax fraud and Bowyer’s exploitation of gambling addicts, but departed substantially from both the probation recommendation and the guidelines range.

That sentence below the probation office’s recommendation, below the government’s already-reduced ask, and a fraction of the guidelines range is a useful illustration precisely because it is not a story of mitigation eliminating consequences. It is a story of mitigation shaping them. The judge had a record to act on. He acted on it. The balance of this article examines how that record gets built, and what happens when it does not.

THE POST-BOOKER DISCRETION GAP

Two decades after Booker, the gap between the discretion federal judges theoretically possess and the discretion they can practically exercise is a function of the evidentiary record before them at sentencing.

Section 3553(a) requires individualized consideration. What probation officers have to work with, in the majority of cases this practitioner has worked on, are letters of support, a defendant’s personal statement, and whatever employment and family background surfaces in an intake interview. Probation officers summarize in a paragraph what they receive in narrative form. They attach in full what they can verify and substantiate.

This is not a criticism of probation officers. It is a structural observation about how document quality propagates through the sentencing process. The practical effect is that many defendants arrive at sentencing with a PSR that, for all the post-Booker discretion theoretically available, does not give the judge much to act on.

Sentencing Commission data consistently shows that a substantial percentage of federal sentences fall below the applicable guidelines range. The reasons vary widely cooperation, criminal history overstatement, offense-characteristic adjustments, and judicial variance all contribute. What the author’s case experience suggests, without claiming causal proof, is that PSR documentation quality is an underappreciated variable in that mix.

APPLYING DOJ COMPLIANCE PRINCIPLES TO INDIVIDUAL DEFENDANTS

The Department of Justice’s guidance on evaluating corporate compliance programs — most recently articulated in the Criminal Division’s April 2019 Guidance Document and its subsequent updates organizes organizational accountability around seven pillars: written policies and procedures; ethical leadership and commitment; training and communication; monitoring and auditing; internal reporting systems; enforcement and discipline; and continuous improvement.

These pillars define what credible, institutional accountability looks like for DOJ purposes. They have been developed over decades of corporate enforcement experience and reflect the agency’s considered view of what separates genuine remediation from performative compliance.

What is less commonly observed is that the framework offers a useful parallel for individual defendant sentencing under § 3553(a) not merely because the pillars can be mapped to statutory factors, but because the DOJ’s evidentiary standard for crediting compliance is the same standard that determines whether PSR documentation gets attached or summarized:

• Written policies and procedures → A defendant’s documented behavioral commitments and treatment protocols, reduced to writing before sentencing.
• Ethical leadership → Documented acceptance of responsibility, including statements that go beyond the allocution and reflect engagement with the harm caused.
• Training and communication → Completed education — relevant coursework, vocational programs, financial literacy or ethics training — documented with enrollment records and completion certificates.
• Monitoring and auditing → Third-party accountability structures: a therapist’s documented treatment plan, a financial advisor’s oversight agreement, participation in a structured accountability group.
• Internal reporting systems → A defendant’s affirmative disclosure to relevant parties — family, employer, professional licensing bodies — demonstrating proactive transparency rather than concealment.
• Enforcement and discipline → Verifiable personal consequences voluntarily accepted: forfeiture of professional licenses, resignation from fiduciary roles, amended tax filings.
• Continuous improvement → An ongoing plan for the period between arrest and sentencing that demonstrates change rather than describes it, with timestamped records.

Each of these maps to a § 3553(a) consideration: history and characteristics of the defendant; the need for correctional treatment; the need to protect the public from further crimes; and the need to provide just punishment. Federal judges apply this statutory framework at every sentencing. What the individual compliance structure described above does is provide the evidentiary content through which those factors can be applied specifically and in writing, rather than in general terms.

The framework is not novel in substance. What is less common is its systematic application to individual defendants in advance of the PSR interview. When the resulting documentation is organized, verifiable, and substantive enough for the probation officer to attach rather than summarize, it becomes part of the judicial record. That is when it affects the sentence.

WHAT THE CASE RECORD SHOWS — AND ITS LIMITS

Across more than 450 federal cases spanning securities fraud, wire fraud, tax fraud, money laundering, and healthcare fraud, the author has documented sentence outcomes of up to 93% below the applicable guidelines range in cases where structured individual compliance documentation was fully integrated into the PSR.

Several important methodological qualifications accompany that observation. This is a practitioner’s dataset, not a controlled study. Defendants who retain sentencing consultants are not a random sample of the federal docket; they tend to be represented by experienced defense counsel, to have resources for pre-sentence preparation, and to present with offense and personal histories that counsel expects to be favorable to mitigation. The dataset cannot isolate PSR documentation quality from those concurrent factors.

The reductions cited above are measured from the bottom of the applicable guidelines range. They do not control for cooperation, criminal history category, or judicial circuit. The U.S. Sentencing Commission’s annual data reports provide a more rigorous baseline: in recent fiscal years, roughly half of federal defendants received sentences below their guidelines range, with the proportion varying significantly by district and offense type. The case outcomes in this practitioner’s experience are, in aggregate, more favorable than that baseline but a practitioner’s self-selected caseload is not a controlled comparison group.

What the case record supports is a more limited but still useful claim: when PSR documentation is structured, verifiable, and extensive enough to be attached rather than summarized, it gives the sentencing judge a more complete evidentiary record on which to exercise § 3553(a) discretion. The Bowyer case is a concrete illustration. It is not proof of a universal causal relationship.

WHAT THIS MEANS FOR THE FEDERAL BENCH

The 2026 Sentencing Guidelines amendments adopted unanimously by the Commission on April 16, 2026, and effective Nov. 1, 2026 make several changes directly relevant to this analysis. Under the revised § 2B1.1, which governs fraud, theft, and embezzlement, the Commission added two new mitigating factors: a tiered offense-level decrease for defendants who ceased the misconduct, attempted restitution, or self-reported before learning of any investigation; and a two-level decrease for defendants who acted under employer pressure or personal vulnerability. The package also restructures the loss table from 16 tiers to eight and adjusts for inflation across the guidelines changes that, in aggregate, reflect what the Commission described as a shift toward greater consideration of individual offender characteristics. These amendments do not operate in isolation from the PSR. The mitigating factors they create can only be credited at sentencing if they are documented in the record. A defendant who self-reported, or who attempted restitution before any investigation, needs that conduct established in the PSR through verifiable records not a narrative claim in a sentencing memorandum. Judges who receive fully documented individual records can apply the new guidelines with precision and articulate the basis for below-guidelines sentences in writing. Judges who receive a summary paragraph have the same limited evidentiary record they always have.

The quality of the PSR is not solely a defense function. Probation officers shape it through the questions they ask and the documentation standards they apply. Judges who communicate their expectations regarding PSR depth in sentencing memoranda, in bench remarks, or in local practice standards influence what defense counsel and probation officers produce.

WHAT THIS MEANS FOR PROSECUTORS

Prosecutors calibrate sentencing recommendations against the guidelines range and the cooperation record. The 2026 amendments complicate that calculus. When a defendant’s PSR documents pre-investigation self-reporting, restitution attempts, or conduct that qualifies for the new mitigating factors under revised § 2B1.1, a prosecutor’s recommendation built on guidelines math alone may no longer accurately predict what the judge will do. The PSR is the document that establishes whether those factors exist and can be credited. Prosecutors who treat PSR quality as a defense function irrelevant to their own sentencing analysis will increasingly find their recommendations departing from judicial outcomes in ways that are difficult to explain after the fact.

In Bowyer, the government recommended 15 months after crediting substantial cooperation. The probation office had recommended 36 months. The sentence came in at 12 months and one day below both. Judge Holcomb’s remarks acknowledged the tension directly: the mitigation was significant enough to warrant substantial departure, but the offense was serious enough that prison remained appropriate. Prosecutors who understand that dynamic that documented mitigation can move a sentence below their own recommendation without eliminating it are better positioned to calibrate recommendations that accurately reflect what a judge is likely to do with a well-prepared PSR.

Prosecutors who understand what structured individual compliance documentation looks like in a PSR, and who account for it in their recommendations, will make more accurate sentencing predictions and better calibrate the § 3553(a) purposes their recommendations are designed to advance.

WHAT THIS MEANS FOR DEFENSE COUNSEL

The PSR interview is among the most consequential and underutilized hours in federal sentencing practice. The preparation that precedes it determines what the probation officer finds to attach. What the probation officer attaches determines what the judge has to work with. What the judge has to work with determines how much of the post-Booker discretionary space the defendant can access.

Defense counsel who approach the PSR interview as a documentation exercise rather than as an opportunity to tell a compelling story are working within a different frame than the one this article describes. The distinction is not about narrative quality. It is about whether the documentation presented to the probation officer is structured, verifiable, and organized around the specific § 3553(a) factors the judge is required to apply.

That means treatment records with clinical notes, not a therapist’s letter. It means completed coursework with enrollment documentation, not a description of courses planned. It means financial restitution schedules with payment records attached, not a stated intention to make victims whole. The standard the DOJ applies to corporate compliance programs is a reasonable guide for anticipating the probation officer’s assessment: is this documented, or is this described?

Defense counsel who prepare clients for PSR interviews with this standard in mind, using the full available time between initial appearance and sentencing, produce a different document than counsel who prepare clients with a letter and a résumé. The 2026 amendments expand the discretionary space that favorable PSR documentation can occupy. The practitioners who fill that space effectively in the coming year will define what significant mitigation looks like in the post-amendment federal sentencing landscape.

CONCLUSION

The discretion Booker restored to federal judges is only as good as the evidentiary record it can act on. A statutory framework that requires individualized sentencing cannot produce individualized sentences when the document delivering individualized information to the judge is thin.

For the bench: the PSR is the record. What it contains reflects the preparation behind it.

For prosecutors: PSR quality is a sentencing variable. Account for it.

For defense counsel: the PSR interview is not a formality. It is the most important hour in the sentencing process. Prepare for it accordingly.

The 2026 amendments create additional space for individualized sentencing. Whether that space is used will depend, in large part, on whether practitioners treat the pre-sentence report as the strategic document it has always been.

 

About the Author

Joseph De Gregorio is President & Founder of The Sentencing Advocacy Group, a federal sentencing consultancy based in Freehold, New Jersey. He is a contracted contributor to Bloomberg Law and Bloomberg Tax, a published author in Law360, and a member of the Law360 2026 Criminal Practice Editorial Advisory Board. His article “The Mitigation Revolution: A Practical Guide to Engineering Drastic Federal Sentence Reductions” appears in the Summer 2026 issue of ABA Criminal Justice Magazine. He has appeared as an expert guest on The Just Pod (American Bar Association). He serves on the National Advisory Board of one of the largest reentry organizations in America, based in Princeton, New Jersey, and as a visiting lecturer in criminology at Montclair State University. He has consulted on over 500 federal white-collar cases.