MURDER & HOMICIDE LAW — CALIFORNIA
Vehicular Manslaughter in California — PC §191.5 and PC §192(c)
Vehicular manslaughter while intoxicated (PC §191.5) carries up to 10 years. Ordinary vehicular manslaughter (PC §192(c)) carries up to 6 years. Both are serious felonies distinct from DUI causing injury.
Reviewed by Daniel S. Rubin, CA Bar 302093 · Los Angeles Criminal Defense Attorney
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Vehicular Manslaughter California — At a Glance
- Law / Code
- PC §191.5 / PC §192(c)
- Classification
- Felony (PC §191.5) / Wobbler (PC §192(c))
- Maximum Penalty
- 4–10 years (gross vehicular manslaughter DUI) / 16 months–6 years (ordinary VM)
- Probation Eligible
- Limited
- Strike Offense
- PC §191.5(a) is a strike
What Is Vehicular Manslaughter California Under California Law?
Legal Framework. Vehicular manslaughter is an unlawful killing caused while driving a vehicle, where the driver committed an unlawful act that was not a felony, committed an otherwise lawful act that might cause death in an unlawful manner, or, in the intoxication statute, drove under the influence and committed an additional act of gross negligence. Under Penal Code § 192(c), the prosecution must prove the defendant drove with ordinary or gross negligence, committed a qualifying unlawful act or lawful act in an unlawful manner, and that conduct caused another person's death. For ordinary vehicular manslaughter, the unlawful act ordinarily must be an infraction or other nonfelony violation, not an act inherently dangerous to human life. Causation is often central: the prosecution must prove the driving conduct was a substantial factor in the death, even when road conditions, vehicle defects, or another driver's conduct also contributed.
The Prosecution's Burden. Penal Code § 192(c)(1) defines gross-negligence vehicular manslaughter and makes it a wobbler, punishable as a misdemeanor or felony. Felony sentencing can include 16 months, two years, or four years in county jail under Penal Code § 1170(h), subject to statutory exceptions. Penal Code § 192(c)(2) covers vehicular manslaughter with ordinary negligence and is generally a misdemeanor, punishable by up to one year in county jail. Penal Code § 191.5 governs vehicular manslaughter while intoxicated. Section 191.5(a), gross vehicular manslaughter while intoxicated, is a felony with a triad of four, six, or 10 years; it may carry substantially greater exposure when prior qualifying DUI convictions or other aggravating provisions apply. Section 191.5(b), ordinary-negligence vehicular manslaughter while intoxicated, is a wobbler with lower base punishment.
Potential Consequences. These offenses are distinct from DUI causing injury under Vehicle Code § 23153, which requires driving under the influence or at 0.08 percent blood-alcohol concentration or more, an unlawful act or neglect of duty, and bodily injury to someone other than the driver. When a death results, prosecutors may charge PC § 191.5 or PC § 192(c), often alongside Vehicle Code violations and DUI counts, although sentencing and double-punishment rules require careful analysis. A fatal DUI may also be charged as murder under Penal Code § 187 under a Watson-murder theory if the evidence supports implied malice, rather than merely negligence. The difference is mental state: ordinary negligence is a failure to use reasonable care; gross negligence is conduct so different from ordinary care that it creates a high risk of death or great bodily injury, with awareness or circumstances showing a disregard for human life.
05 — Defense Strategies
How Rubin Law Defends Vehicular Manslaughter California Charges
Rubin Law, P.C. attacks the elements of PC §191.5 / PC §192(c) and drives outcomes that avoid conviction where possible.
Challenge the Required Negligence Level
The applicable negligence standard determines both liability and the severity of the charge. Ordinary negligence under PC § 192(c)(2) means a failure to use reasonable care. Gross negligence under PC § 192(c)(1) or PC § 191.5(a) requires conduct that is so different from how an ordinarily careful person would act that it creates a high risk of death or great bodily injury. A momentary mistake, misjudgment, or ordinary traffic violation does not automatically establish gross negligence. The defense examines speed data, visibility, traffic controls, roadway design, weather, and the driver’s actual conduct to argue that the evidence proves, at most, ordinary negligence—or no criminal negligence at all.
U.S. Const. amend. IV
Dispute Legal and Factual Causation
The prosecution must prove the defendant’s driving conduct was a substantial factor in causing the death. That proof can be vulnerable in multi-vehicle collisions, pedestrian cases, and crashes involving poor lighting, obstructed views, dangerous road design, mechanical failure, delayed medical treatment, or independent conduct by another motorist. A victim’s negligence is not itself a complete defense, but it may create reasonable doubt if it was an intervening or overriding cause, or if the prosecution cannot show what the defendant did caused the fatal result. Accident reconstruction, event-data-recorder information, surveillance video, scene measurements, and medical evidence can materially change the causation analysis.
17 CCR §1219.3
Contest the DUI Proof and Chemical Testing
For PC § 191.5, the state must prove intoxication or an unlawful blood-alcohol concentration in addition to the required negligence and causation. The defense audits the traffic stop or collision investigation, the timing of the blood draw, the collection protocol, laboratory chain of custody, instrument records, and retrograde extrapolation assumptions. A post-crash blood-alcohol result does not automatically establish the person’s level at the time of driving, particularly where testing occurred later or alcohol was consumed after the collision. Drug-DUI allegations also require reliable proof of impairment, not merely the presence of a substance or a prescription. Suppression may be available when police obtained blood evidence without valid consent, a warrant, or an applicable exception.
NHTSA SFST
Show No Qualifying Underlying Act
Under PC § 192(c), the prosecution must identify a qualifying unlawful act not amounting to a felony, or a lawful act performed in an unlawful manner. The charging theory cannot rest on a tragic outcome alone. The defense requires the prosecution to specify the alleged Vehicle Code violation or other act and then tests whether it actually occurred, whether it was legally applicable, and whether it was dangerous in the circumstances. In an ordinary-negligence case, an unlawful act that is a felony or an act inherently dangerous to human life does not fit the ordinary PC § 192(c)(2) framework. Ambiguous lane markings, disputed right-of-way, sudden hazards, and unreliable eyewitness estimates can defeat the claimed predicate act.
VC §23152
Attack Collision-Reconstruction Assumptions
Fatal-collision cases commonly depend on expert opinions about speed, braking, point of impact, perception-response time, and vehicle movement. Those opinions are only as sound as the physical evidence and assumptions beneath them. Skid marks may be incomplete; event-data recorders may capture limited information; photographs may not preserve the original scene; and a reconstruction may ignore a driver’s visual limitations, a pedestrian’s movement, or a second vehicle’s role. The defense can retain an independent reconstruction expert, inspect the vehicles, obtain raw digital data, and compare the state’s conclusions with the scene evidence. Demonstrating that multiple plausible crash sequences remain can establish reasonable doubt on negligence and causation.
17 CCR §1219.1
Seek Charge Reduction and Individualized Sentencing
When the evidence establishes a driving error but is weak on gross negligence, the defense can seek reduction from PC § 191.5(a) to PC § 191.5(b), or from felony gross vehicular manslaughter under PC § 192(c)(1) to a misdemeanor disposition where legally available. Mitigation is not a substitute for a factual defense, but it matters in charging and sentencing. Relevant material can include the absence of prior driving offenses, immediate aid at the scene, remorse, documented treatment for alcohol or substance use, restitution efforts, family responsibilities, and the circumstances of the collision. In Los Angeles County, early presentation to the assigned deputy district attorney can be important before filing decisions harden into a trial posture.
VC §23103.5
Constitutional Sources: Fourth Amendment — U.S. Constitution
Questions
Frequently Asked — Vehicular Manslaughter California
What is the difference between PC 191.5 and PC 192(c)?
Penal Code § 191.5 applies when a death occurs during driving under the influence. Section 191.5(a) is gross vehicular manslaughter while intoxicated: the prosecution must prove DUI, an additional act of gross negligence, and causation. Section 191.5(b) applies where the intoxicated driving and an act of ordinary negligence caused death. Penal Code § 192(c) applies to vehicular manslaughter without the DUI element. Section 192(c)(1) addresses gross negligence and is a wobbler; § 192(c)(2) addresses ordinary negligence and is generally a misdemeanor. The prosecution must still identify negligent driving or a qualifying unlawful act and prove it was a substantial factor in the death. A fatal collision alone does not establish either offense.
What are the penalties for vehicular manslaughter in California?
The penalty depends on the statute, negligence level, and prior record. Gross vehicular manslaughter while intoxicated under PC § 191.5(a) is a felony punishable by four, six, or 10 years. Vehicular manslaughter while intoxicated with ordinary negligence under PC § 191.5(b) is a wobbler and may be prosecuted as a misdemeanor or felony. Gross vehicular manslaughter under PC § 192(c)(1) is also a wobbler; felony punishment is 16 months, two years, or four years under PC § 1170(h), absent an exception. Ordinary vehicular manslaughter under PC § 192(c)(2) is generally punishable by up to one year in county jail. A conviction can also bring probation conditions, restitution, loss of driving privileges, and serious immigration, employment, and licensing consequences.
Can I be charged if the other driver or pedestrian caused part of the crash?
Yes, charges may be filed even if another person contributed to the collision, because California criminal causation does not require the defendant to be the only cause of death. The prosecution must nevertheless prove the defendant’s conduct was a substantial factor in causing the death. A victim’s unsafe turn, unexpected movement into traffic, speeding, intoxication, lack of visibility, or failure to use a crosswalk may be critical where it creates reasonable doubt about what caused the fatal impact. The same is true of another driver’s conduct, defective traffic controls, road hazards, and vehicle malfunction. The defense should obtain scene video, 911 calls, vehicle data, autopsy findings, and independent reconstruction evidence before accepting the prosecution’s account of fault.
Is gross vehicular manslaughter while intoxicated the same as Watson murder?
No. Gross vehicular manslaughter while intoxicated under PC § 191.5(a) requires intoxication, gross negligence, and causation. Watson murder is a second-degree murder charge under PC § 187 based on implied malice. To prove implied malice, the prosecution must show the defendant intentionally committed an act whose natural and probable consequences were dangerous to human life, knew the act endangered life, and deliberately acted with conscious disregard for life. A DUI fatality does not automatically become murder. Prior DUI convictions, prior DUI education, advisements, extreme driving conduct, and other evidence of subjective awareness may be used by prosecutors to argue implied malice. The distinction is crucial because murder carries substantially greater punishment than vehicular manslaughter.
Will my driver’s license be suspended after a fatal DUI case?
A DUI-related fatality can trigger both a criminal case and an administrative action by the California Department of Motor Vehicles. The DMV process is separate from the Los Angeles County criminal case and has short deadlines after an arrest or notice of suspension. A conviction under PC § 191.5 may also produce mandatory or discretionary license consequences depending on the conviction and driving record, while related Vehicle Code charges can independently affect driving privileges. The exact outcome depends on whether the case involves alcohol, drugs, a chemical-test result, prior DUI history, and the final disposition. It is important to request a DMV hearing promptly and to coordinate the administrative defense with the criminal strategy, because statements and evidence developed in one proceeding can affect the other.
What happens after an arrest for vehicular manslaughter in Los Angeles County?
After a fatal collision, LAPD, LASD, or another investigating agency may conduct a lengthy reconstruction and seek blood records, vehicle data, phone evidence, and witness statements before presenting the case to the Los Angeles County District Attorney’s Office. Some people are booked immediately; others receive a later court notice after the investigation. At arraignment, the court addresses the complaint, bail or release conditions, and future hearing dates. Defense counsel should move quickly to preserve vehicles, surveillance footage, dispatch recordings, and independent expert access before evidence is lost or altered. The case may involve DMV proceedings as well as criminal court. For an immediate confidential assessment, Rubin Law, P.C. can be reached at (213) 723-2337.
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