What is Section 5K1 1 of the US sentencing guidelines?

Asked by: Lauren Beier  |  Last update: February 8, 2026
Score: 5/5 (61 votes)

Section 5K1.1 of the U.S. Sentencing Guidelines allows for a significant sentence reduction for federal defendants who provide substantial assistance in the investigation or prosecution of another person's crime, requiring a motion from the government, which gives the court discretion to depart below the normal guideline range, often by substantial amounts, based on the quality, risk, and value of the cooperation.

What is Section 5K1 1 of the sentencing guidelines?

The United States Sentencing Guidelines provide for a reduction in sentence (departure) for defendants who provide “substantial assistance” in the investigation or prosecution of another person prior to sentencing. Only the United States Government can file a motion for downward departure under U.S.S.G. § 5K1. 1.

What does 5K1 mean?

A 5K1. 1 letter refers to a motion or request made by the government to reduce a defendant's sentence due to substantial assistance provided in the investigation or prosecution of other individuals. This reduction is authorized by § 5K1.

What is a 5K1 hearing?

A 5K1 Motion is a written motion the United States Attorney's office files with a federal court judge requesting a sentence below the applicable sentencing guidelines because a defendant provided substantial assistance in the prosecution of other individuals.

What is a 5K1 deal?

Under Section 5K1. 1, a defendant in a federal criminal case may cooperate with the Government before his or her sentence is imposed. It ordinarily happens in the context of a plea agreement that provides that the defendant agrees to cooperate, and the Government agrees to consider the defendant for a “5K1.

The federal sentencing guidelines

19 related questions found

What is the hardest case to win in court?

The hardest cases to win in court often involve high emotional stakes, like crimes against children or sexual assault, where jurors struggle with bias; complex, voluminous evidence, such as white-collar fraud; and defenses that challenge societal norms, like an insanity plea, which faces high scrutiny and conflicting expert testimony. Cases with weak physical evidence, uncooperative witnesses (like in sex crimes), or those involving unpopular defendants (e.g., child abusers) are particularly challenging for defense attorneys.
 

What is the mandatory minimum sentence for drug possession?

Federal Drug Mandatory Minimum Sentences for Possession

For possession, you won't be required to serve a mandatory minimum sentence, unless you have a prior drug conviction from federal or another state jurisdiction, then you'll be sentenced to no less than 15 days of incarceration with a maximum of up to two years.

Do you go straight to jail after federal sentencing?

This means that about 14 to 30 days after sentencing you will report directly to the federal prison designated for sentence. Otherwise, you would go directly into custody at the sentencing hearing if you receive a prison sentence.

What not to say to a judge in court?

You should not say anything sarcastic, interrupt the judge, lie, use slang, make personal attacks on others, guarantee outcomes, or speak about things not relevant to the case; instead, remain respectful, address the judge as "Your Honor," answer only the question asked, and be direct and truthful to maintain credibility. 

Do feds ever drop charges?

The law absolutely allows federal charges to be dropped. Rule 48 of the Federal Rules of Criminal Procedure permits prosecutors to dismiss charges with leave of court. Defense attorneys can file motions to dismiss based on constitutional violations, lack of evidence, or procedural defects.

What is the new law for federal inmates in 2025?

New laws and guidelines for federal inmates in 2025 focus on more individualized sentencing, increased discretion for judges in supervised release, and fairer drug sentencing, with key amendments from the U.S. Sentencing Commission (USSC) taking effect November 1, 2025, addressing issues like mitigating roles in drug cases (capping base levels for low-level offenders) and clarifying firearm enhancements, alongside broader efforts for home confinement expansion and clarity on supervised release conditions. 

What is a 5K in jail?

A 5K motion (or “5K1. 1 motion”) is a request filed by federal prosecutors asking the court to reduce a defendant's sentence below the standard guidelines because the defendant provided substantial assistance in investigating or prosecuting others.

How to get a federal sentence reduced?

Simply put, Rule 35(b) allows a court to reduce a sentence, even below mandatory minimums, if the government moves to do so based on a defendant's substantial assistance in investigating or prosecuting another person after sentencing. The government must file this Rule 35 motion within one year of the sentencing.

Can a drug possession charge be dropped?

Being charged with drug possession in California is a serious matter—but it doesn't always lead to a conviction. Depending on the specifics of your case—and with the help of an experienced defense attorney—it is often possible to get drug possession charges reduced or even dropped entirely.

What is a 5K1 1 substantial assistance departure?

1 section specifies that if a defendant has provided substantial assistance to the government in investigating or prosecuting someone else who has committed a crime and the government makes a motion that cites 18 U.S.C. 3553(e), the court is empowered to issue a sentence below the applicable mandatory minimum sentence.

What are three factors that a judge takes into consideration when sentencing?

Several factors come into play when a judge is poised with the gavel, ready to pronounce a sentence. The nature and severity of the crime are at the forefront. Still, judges also consider the defendant's criminal history, or lack thereof, and any mitigating circumstances that might argue for leniency.

What color do judges like to see in court?

Judges generally prefer neutral, conservative colors like navy, gray, black, and white, as these convey seriousness, respect, and professionalism, avoiding distractions in a formal court setting; bright colors, bold patterns, and overly casual attire should be avoided to show you're taking the proceedings seriously. While some suggest lighter, muted tones (like light blue) might leave a favorable impression, the key is sobriety and fitting in, not standing out.
 

What is the B word for lawyer?

The "B word" for a lawyer, especially in the UK and Commonwealth countries, is Barrister, which refers to a specialist lawyer who argues cases in higher courts, distinct from a solicitor, though other terms like Attorney, Counsel, or even the pejorative "ambulance chaser" can be used, while "Esquire" (Esq.) is a title for any licensed lawyer in the U.S. 

What is the hardest thing to prove in court?

The hardest things to prove in court involve intent, causation (especially in medical cases where multiple factors exist), proving insanity, and overcoming the lack of physical evidence or uncooperative victims, often seen in sexual assault or domestic violence cases. Proving another person's mental state or linking a specific harm directly to negligence, rather than underlying conditions, requires strong expert testimony and overcoming common doubts. 

Do you go straight to jail for sentencing?

If a defendant goes to court on their own, enters a plea of no contest or guilty with the prosecution, and is then given a sentence to jail, then they are going to go to jail immediately almost 100% of the time.

How long after sentencing are you executed?

In 2021, an average of 233 months elapsed between sentencing and execution for inmates on death row in the United States. This is an increase from 1990, when an average of 95 months passed between sentencing and execution.

How can an inmate get released early?

Behavior in Prison: Inmates who demonstrate good behavior, participate in rehabilitation programs, and show a willingness to reintegrate into society may be considered for early release.

What crimes trigger mandatory minimum sentences?

What Crimes Apply to Mandatory Minimum Sentences?

  • Drug trafficking.
  • Alien smuggling.
  • Sex crimes (like aggravated sexual assault, coercing a minor, and sex trafficking)
  • Armed criminal charges (like possession of a firearm)
  • Child pornography charges.
  • Aggravated identity theft.

What are the three types of possession?

The three types of possession are close proximity, exclusive possession, and actual knowledge. In court, the state must prove all three types of possession beyond any reasonable doubt in matters like illegal weapons, drug, and pornography possession.

What's the maximum sentence for drug dealing?

The maximum sentences for intent to supply drugs are:

  • up to life in prison, an unlimited fine or both for a Class A drug.
  • up to 14 years in prison, an unlimited fine or both for a Class B or Class C drug.