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DUI Manslaughter in Florida: Charges, Sentences, and Defenses

ArticleFlorida DUI DefenseUpdated 2026

DUI manslaughter is the Florida charge when an impaired driving case involves a death. It is a second degree felony with a 4 year minimum mandatory prison term and a 15 year maximum, rising to a first degree felony if the driver did not give information or render aid.

The elements behind a DUI manslaughter charge

DUI manslaughter starts with the same foundation as any DUI: the state must establish impairment of normal faculties by alcohol or a chemical or controlled substance, or a breath or blood alcohol level of 0.08 or higher. What makes it manslaughter is a death connected to the impaired driving.

These cases usually begin with a serious crash rather than a routine stop, and the investigation reflects that. Blood tests are used in some cases, including when a breath test is not possible, which can be the situation after a serious crash. The collection, handling and lab procedures for any blood sample can all be reviewed by the defense.

The sentencing range Florida sets

DUI manslaughter is a second degree felony. It carries a minimum mandatory sentence of 4 years in prison, which the court cannot go below, and a 15 year maximum.

If the driver failed to give information or render aid, the charge becomes a first degree felony, raising the maximum to 30 years. Within those limits, the sentence is calculated using the Criminal Punishment Code scoresheet.

Where the defense typically focuses

Defense work in a DUI manslaughter case usually centers on two broad questions: whether the state can establish impairment, and how the crash actually happened. The second can involve reconstruction evidence, vehicle data, road and weather conditions, and the actions of everyone involved.

On the impairment side, the review covers the testing procedure, the handling of any blood sample from collection to lab, the lab methods, and the officers' observations. If evidence was obtained unlawfully, a motion to suppress can ask the court to exclude it.

Florida allows depositions in criminal cases, which gives the defense the chance to question witnesses, investigators and analysts under oath before trial.

Consequences that follow a DUI manslaughter conviction

A DUI manslaughter conviction is a felony conviction, and it carries the lasting effects of felony status in addition to the prison sentence. Like every DUI conviction in Florida, it cannot be sealed or expunged, and courts cannot withhold adjudication.

Because the evidence in these cases is technical and often gathered in the hours after a crash, the defense review depends on obtaining the full discovery, including reports, test results and reconstruction materials. DUI Lawyers Shield Firm offers a free case review for people facing this charge.

Keep reading

General information only, not legal advice. Every case depends on its own facts, and prior results do not guarantee a similar outcome.

FAQ
Not as a substitute for the mandatory term. DUI manslaughter carries a 4 year minimum mandatory prison sentence, so a conviction means at least that much prison time, and the court cannot sentence below it. The total sentence above that floor depends on the scoresheet and the facts of the case.
Florida raises DUI manslaughter from a second degree to a first degree felony when the driver fails to give information or render aid after the crash. That raises the maximum sentence from 15 to 30 years. Whether the facts support that enhancement depends on what happened at the scene, which the defense examines closely.
It depends on the evidence. If the state cannot establish impairment, or the evidence about how the crash happened does not support the charge, other outcomes may be possible. Nothing about the resolution of a case like this is automatic, and any assessment starts with the complete discovery.
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