Published May 20, 2026 • By Jimmy Ardoin
Federal sentencing is not a machine that spits out a number. The Guidelines give you a starting point — your attorney's job is to fight every factor that inflates it, challenge uncharged conduct being held against you, and present the judge with a compelling case for a sentence below the range. The outcome depends enormously on how thoroughly your defense was built from day one.
The federal sentencing process intimidates people for good reason. Federal sentences are severe, parole doesn't exist in the federal system, and the Guidelines can produce numbers that feel almost incomprehensible — fifteen years, twenty years, more — for offenses that state courts might handle very differently.
But here's what most people facing federal charges don't know: the Guidelines are advisory. Since the Supreme Court's 2005 ruling in United States v. Booker, federal judges have the discretion to sentence below the Guidelines range when the facts of the case warrant it. That discretion is real, it's exercised regularly, and a skilled defense attorney knows exactly how to put it to work for a client.
Understanding how federal sentencing works — not just the mechanics, but the strategy — is one of the most important things I can share with someone who is facing federal charges or supporting a loved one who is. So let me walk you through it plainly.
Federal sentencing starts with the U.S. Sentencing Guidelines Manual — a massive document that assigns numerical values to virtually every aspect of a federal offense. The calculation produces two numbers: an offense level and a criminal history category. These two numbers intersect on a sentencing table to produce a Guidelines range — a low end and a high end, expressed in months.
The offense level is built by starting with a base number for the type of crime, then adding or subtracting "adjustments" based on specific characteristics. In a fraud case, the dollar amount of the loss is the biggest driver — and it adds points fast. In a drug case, the drug quantity drives the calculation. Enhancements can also be added for things like using a weapon, abusing a position of trust, obstructing justice, or involving vulnerable victims.
Criminal history is scored separately. Each prior conviction adds points, and the more points, the higher the category — from I (no prior history) to VI (extensive prior record). A first-time offender charged with exactly the same offense as someone with a criminal history will face a significantly lower Guidelines range.
The Guidelines aren't only about additions. There are meaningful reductions that an experienced defense attorney will pursue from the moment the case begins:
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(713) 574-8900 — Call Now Send a MessageHere is the aspect of federal sentencing that shocks people most — including people who have been through the state court system and think they understand how criminal cases work. In federal court, at sentencing, a judge can hold you responsible for conduct that was never charged in the indictment, never presented to a jury, and never proven beyond a reasonable doubt. This is called relevant conduct.
Relevant conduct is determined by a preponderance of the evidence — the much lower civil standard — and it can dramatically increase your offense level and your sentence. In a drug case, if the government can show at sentencing that you were involved with a much larger quantity of drugs than the charged amount — even if that quantity was never proven to a jury — your Guidelines range reflects the larger number. In a fraud case, losses from uncharged transactions can be added to the loss figure that drives your offense level.
Challenging relevant conduct is one of the most technically demanding and consequential battles in federal criminal defense. It requires careful review of the PSR (Pre-Sentence Report), aggressive objections at the sentencing hearing, and often the presentation of counter-evidence. Most defendants — and their families — don't know this battle is happening until it's over. I fight it from the moment the PSR is drafted.
After a conviction or plea, the U.S. Probation Office prepares a Presentence Investigation Report (PSR). This document is the foundation of everything that happens at sentencing. It includes the Guidelines calculation, the relevant conduct analysis, the defendant's personal history, financial information, and the probation officer's recommendation.
Here's what most people don't understand: the PSR is not final when it's first issued. Defense counsel has the right — and the obligation — to object to every factual error and every Guidelines calculation we disagree with. Those objections are part of the formal record. If the judge rules against us, we preserve the issue for appeal. If the judge agrees, the range comes down.
Preparing for sentencing means spending weeks with the PSR — checking every fact, challenging every upward adjustment, arguing for every available reduction, and building a mitigation package that gives the judge a reason to exercise their discretion in the defendant's favor. That package includes personal history, family circumstances, employment, community involvement, health considerations, and anything else that humanizes the client and distinguishes them from the worst actors in the Guidelines' contemplation.
There are two mechanisms for a federal judge to sentence below the Guidelines range: departures and variances.
Departures are built into the Guidelines themselves. They allow the judge to go below the range when specific circumstances are present — for example, a defendant who provided substantial assistance, a case where the Guidelines range overstates the severity of the offense, or circumstances that the Sentencing Commission expressly recognized as warranting departure.
Variances are different. After Booker, judges can sentence below the Guidelines range simply because the factors in 18 U.S.C. § 3553(a) support a lower sentence. Those factors include the nature and circumstances of the offense, the history and characteristics of the defendant, the need for the sentence to reflect the seriousness of the offense, deterrence, protection of the public, and rehabilitation. A well-crafted sentencing memorandum speaks directly to each of these factors and builds the argument for a below-Guidelines sentence.
I've seen federal judges impose sentences significantly below the Guidelines range when the defense did the work — when we showed them who the defendant actually is, what circumstances led to the offense, and why the Guidelines number doesn't fit the human being standing before them.
Not every federal offense gives the judge full discretion. For certain drug offenses, firearms offenses, and others, Congress has imposed mandatory minimum sentences — floor sentences the judge cannot go below regardless of the Guidelines range or personal circumstances. Federal drug mandatory minimums range from five years to life depending on quantity and type of drug.
Mandatory minimums can only be circumvented in two ways: the safety valve (for qualifying drug defendants) or a 5K1.1 substantial assistance motion filed by the government. This is why cooperation decisions in drug cases carry enormous weight — and enormous risk. A defendant who cooperates and receives a 5K motion may serve a fraction of what they'd otherwise face. A defendant who cooperates without getting the motion may have given up their defense and still face the mandatory floor.
Every cooperation decision is different. There is no universal right answer. The decision has to be made carefully, with full information, by a defense attorney who has assessed the government's evidence, the strength of the defense, and the realistic value of the cooperation the client can provide.
Federal sentencing is decided long before sentencing day. The plea you take or reject, the cooperation you do or don't provide, the relevant conduct you challenge or allow to go unchallenged, the mitigation narrative you build — all of it matters, and all of it begins at the moment of arrest or first contact.
I've defended federal cases from indictment through sentencing for twenty years in the Southern District of Texas and in federal courts across the country. I know how the government builds these cases. I know where the Guidelines fights are won and lost. And I know how to put together the kind of sentencing presentation that gives a federal judge reason to exercise discretion in a client's favor.
If you or someone you love is facing federal charges, call me. The earlier I get involved, the more tools I have.
Jimmy Ardoin handles federal criminal defense from indictment through sentencing. Call for a free, confidential consultation.
(713) 574-8900 Free Case EvaluationNo. Since United States v. Booker (2005), the Federal Sentencing Guidelines are advisory, not mandatory. Federal judges must calculate the Guidelines range and consider it, but they have discretion to sentence above or below that range. A skilled defense attorney uses this discretion aggressively — presenting the full human context of the case, not just the arithmetic.
A 5K1.1 motion is filed by the government at sentencing to inform the judge that a defendant provided substantial assistance in investigating or prosecuting others. It allows sentencing below the mandatory minimum. These motions can produce dramatic sentence reductions, but cooperation is a high-stakes decision that must be evaluated carefully — it requires a formal agreement and is entirely within the government's discretion to file.
Relevant conduct allows a federal judge to hold a defendant responsible at sentencing for conduct that was never charged and never proven to a jury. It's determined by a preponderance of the evidence standard — much lower than reasonable doubt — and can dramatically increase the Guidelines range. Challenging relevant conduct attributions is one of the most important battles in federal sentencing advocacy.
When convicted of multiple counts, the judge decides whether sentences run concurrently (at the same time) or consecutively (back-to-back). In complex cases with many counts, this distinction can mean the difference between five years and twenty years. Experienced defense counsel advocates hard at sentencing to limit consecutive exposure.
Yes, in limited circumstances: a Rule 35(b) motion for post-sentencing substantial assistance, retroactive Guidelines amendments, or compassionate release under 18 U.S.C. § 3582(c)(1)(A) for extraordinary and compelling circumstances including serious illness. These remedies are narrow but real — and worth exploring with qualified counsel.