(213) 723-2337Free Consultation
PCPenal CodeWobbler

California Penal Code §191.5Vehicular Manslaughter While Intoxicated

PC §191.5 punishes an unlawful killing without malice arising from the driving of a vehicle while under the influence of alcohol or drugs (VC §23140, §23152, or §23153) where the driving was also negligent or grossly negligent. §191.5(a) — gross vehicular manslaughter while intoxicated — is a straight felony carrying 4, 6, or 10 years state prison. §191.5(b) — ordinary vehicular manslaughter while intoxicated — is a wobbler.

Reviewed by Daniel S. Rubin, CA Bar 302093 · Los Angeles Criminal Defense Attorney · Vehicular Manslaughter While Intoxicated Cases in All LA County Courts

01 — Quick Facts

PC §191.5 — Vehicular Manslaughter While Intoxicated at a Glance

FactDetail
Full NameCalifornia Penal Code §191.5 — Vehicular Manslaughter While Intoxicated
Classification§191.5(a) Felony (gross); §191.5(b) Wobbler (ordinary)
Sentence — Gross §191.5(a)4, 6, or 10 years state prison
Sentence — Ordinary §191.5(b)16 months, 2, or 4 years (felony) or up to 1 year jail (misdemeanor)
Second-Strike / Priors§191.5(d): 15-to-life where defendant has a prior §191.5, §192(c)(1)/(3), §192.5(a)/(c), or VC §23153-based homicide
Strike Offense§191.5(a) gross variant is a violent felony under PC §667.5(c)(23) — a strike
Watson MurderWith a prior DUI conviction and a Watson advisement, a DUI fatality can be charged as PC §187 (second-degree murder) instead of §191.5
Mens ReaGross §191.5(a): gross negligence; Ordinary §191.5(b): ordinary negligence
Free Consultation(213) 723-2337 — Rubin Law, P.C.

01 — What Is PC §191.5?

What Is California Penal Code §191.5?

PC §191.5 Reads:

"(a) Gross vehicular manslaughter while intoxicated is the unlawful killing of a human being without malice aforethought, in the driving of a vehicle, where the driving was in violation of Section 23140, 23152, or 23153 of the Vehicle Code, and the killing was either the proximate result of the commission of an unlawful act, not amounting to a felony, and with gross negligence, or the proximate result of the commission of a lawful act that might produce death, in an unlawful manner, and with gross negligence. (b) Vehicular manslaughter while intoxicated is [the same conduct] but without gross negligence."

California Penal Code §191.5(a)–(b)

PC §191.5 is California's DUI-homicide statute. It applies when a driver who was under the influence — of alcohol, drugs, or both — kills another person while committing a separate driving violation (an infraction, misdemeanor, or lawful act done in an unlawful manner) that proximately causes the death. §191.5 has two tiers turning on negligence: gross (subd. (a)) and ordinary (subd. (b)).

§191.5(a) vs. §191.5(b) vs. PC §187 (Watson Murder)

§191.5(a) requires gross negligence — a reckless disregard for human life. §191.5(b) requires only ordinary negligence. Where the defendant has a prior DUI and a documented Watson advisement (People v. Watson (1981) 30 Cal.3d 290), a DUI-caused death can be charged upward as PC §187 second-degree implied-malice murder — 15-to-life — instead of §191.5.

§191.5(a) — Gross Vehicular Manslaughter Intox

Straight felony. 4/6/10 years state prison. Strike offense under §667.5(c)(23). Requires gross negligence and DUI.

§191.5(b) — Vehicular Manslaughter Intox (Ordinary)

Wobbler. Felony: 16m/2/4 yrs. Misdemeanor: up to 1 year jail. Requires ordinary negligence and DUI. Not a strike.

Why This Statute Matters

§191.5 is the primary charge in DUI-fatality prosecutions and pairs frequently with VC §20001 (hit-and-run), §23153 (DUI causing injury), PC §12022.7 (GBI enhancement in multi-victim cases), and PC §273a (child-endangerment counts where a child was in the vehicle). Rubin Law, P.C. defends §191.5 by attacking impairment, causation, and the negligence gradient — and, where a Watson theory is filed, by defeating the implied-malice mens rea to force reduction back to §191.5.

02 — Elements of the Crime

Elements the Prosecution Must Prove Under PC §191.5

The prosecution must prove each element beyond a reasonable doubt.

01

Driving Under the Influence

Defendant drove a vehicle in violation of VC §23140 (under-21 BAC 0.05+), §23152 (adult DUI/0.08+), or §23153 (DUI causing injury).

Defense angle: Attack Title 17 compliance, rising-BAC, mouth-alcohol contamination, retrograde-extrapolation error, and stop legality (§1538.5).
02

Commission of a Separate Unlawful Act or Lawful Act Done Unlawfully

Defendant committed an unlawful driving act (not itself a felony) — speeding, red-light, unsafe lane change — or performed a lawful act in an unlawful manner.

Defense angle: Where the only wrongful act is the DUI itself, §191.5 fails — the statute requires a separate act (People v. Bennett).
03

Negligence (Gross for §191.5(a); Ordinary for §191.5(b))

The separate act was committed with the required level of negligence. Gross negligence = reckless disregard for human life.

Defense angle: Downgrade gross to ordinary by showing conduct was inadvertent, momentary, or consistent with routine driver error.
04

Proximate Cause of Death

Defendant's negligent conduct was a substantial factor causing the victim's death.

Defense angle: Intervening cause — victim's own conduct (jaywalking, unbelted passenger ejection), third-party driver fault, medical error, or superseding trauma.
05

No Malice

Defendant did not act with express or implied malice — malice would trigger PC §187 (Watson murder), not §191.5.

Defense angle: Preventing an upward Watson filing turns on defeating implied-malice — no Watson advisement, no prior DUI, or no subjective awareness of danger.

03 — Degrees

PC §191.5 — Tiers & Degrees

PC §191.5 is a two-tier statute. The tier turns on the negligence gradient.

4/6/10 yrs — Strike

§191.5(a) — Gross Vehicular Manslaughter Intox

Straight felony. Requires gross negligence — reckless disregard for human life.

  • 4, 6, or 10 years state prison
  • Violent felony strike under §667.5(c)(23)
  • 85% credits under §2933.1
  • Lifetime firearm ban
16m/2/4 yrs or 1 yr jail

§191.5(b) — Vehicular Manslaughter Intox (Ordinary)

Wobbler. Requires ordinary negligence only.

  • Felony: 16 months, 2, or 4 years (§193.5(b))
  • Misdemeanor: up to 1 year county jail
  • Not a strike
  • §17(b) reduction available
15 years to life

§191.5(d) — Prior-Conviction Recidivist

Where defendant has a prior conviction under §191.5, §192(c)(1) or (3), §192.5(a) or (c), or VC §23153-based homicide, sentence for a §191.5(a) violation escalates to 15 years to life.

  • Triggered by a single qualifying prior
  • Life-top exposure
  • Parole eligibility after 15 years

04 — Penalties

Penalties for PC §191.5 Vehicular Manslaughter While Intoxicated in California

§193.5(a)–(b) sets the sentencing triads. §191.5(a) is a strike; §191.5(b) is a wobbler.

ChargeCodePrison TermProbationStrike
§191.5(a) — Gross Vehicular Manslaughter IntoxPC §191.5(a)4, 6, or 10 years state prison (§193.5(a))Presumptively ineligible (§1203(e)(2)/(3))Yes — violent felony (§667.5(c)(23))
§191.5(b) — Ordinary Vehicular Manslaughter IntoxPC §191.5(b)Felony 16m/2/4 yrs; Misdemeanor up to 1 yr jail (§193.5(b))AvailableNo
§191.5(d) — 15-to-Life With PriorPC §191.5(d)15 years to life state prisonNoneYes
With PC §12022.7 GBI to Other VictimsPC §12022.7+3 years per surviving injured victimNoEnhances underlying
With Multiple-Victim §191.5(f) EnhancementPC §191.5(f)+1 year for each additional victim of §191.5, up to 3 yearsNoN/A

Related Enhancements

PC §191.5(f) — Multiple Victims

PC §191.5(f)

+1 year for each victim killed or injured (beyond the first) in the same incident, capped at +3 years.

PC §12022.7 — Great Bodily Injury

PC §12022.7

+3 years for each surviving victim who suffered great bodily injury in the same crash.

VC §23558 — Multiple-Victim DUI (§23153 companion)

VC §23558

+1 year per additional injured victim (up to +3) on companion §23153 counts.

PC §2933.1 — 85% Rule

PC §2933.1

§191.5(a) is a violent felony — 85% of the sentence must be served before release.

VC §13350 / §13351 — License Revocation

VC §13350

Mandatory license revocation on any §191.5 conviction; DMV administrative action independent of criminal case.

Collateral Consequences

  • Lifetime firearm ban under PC §29800 and 18 U.S.C. §922(g)(1)
  • Mandatory driver's-license revocation under VC §13350
  • Immigration: CIMT; §191.5(a) frequently treated as an aggravated felony under 8 U.S.C. §1101(a)(43)(F)
  • Restitution to survivors (§1202.4) including funeral, medical, and lost-support economic loss
  • Civil wrongful-death exposure (CCP §377.60) — negligence per se under Evid. Code §669
  • Occupational licensing consequences (CDL revocation is automatic under 49 CFR §383.51)
  • Ignition interlock requirement on any post-release driving privileges (VC §23575.3)

05 — Defense Strategies

How Rubin Law Defends PC §191.5 Vehicular Manslaughter While Intoxicated Charges

Rubin Law, P.C. defends §191.5 by attacking impairment, causation, negligence gradient, and — where a Watson theory is filed — implied malice.

Defeat DUI Predicate

Attack Title 17 blood/breath compliance, retrograde extrapolation, mouth alcohol, GERD, ketogenic-diet artifact, and stop legality (§1538.5). No DUI = no §191.5.

DUI Predicate

Intervening / Superseding Cause

Victim jaywalking, unbelted passenger ejection, third-party driver fault, or medical error can break the causal chain (People v. Autry).

Causation

No Separate Unlawful Act

§191.5 requires a driving violation other than the DUI itself. If the only wrongful act was being impaired, the count fails (People v. Bennett).

Predicate Act

Downgrade Gross → Ordinary Negligence

Recharacterize conduct as inadvertent, momentary lapse, or routine driver error to force reduction from §191.5(a) to §191.5(b).

Mens Rea

Defeat Watson Murder

Where the DA files PC §187, attack the Watson advisement, prior-DUI predicate, or subjective-awareness element to force reduction to §191.5.

Watson Defense

Accident / Sudden Emergency

CALCRIM 3404 accident defense and sudden-emergency doctrine — unforeseen mechanical failure, road hazard, or animal in roadway.

Accident

§17(b) Reduction (Ordinary Only)

For §191.5(b) filings, pursue §17(b) motion to reduce to misdemeanor at prelim or at sentencing.

§17(b)

Suppression / Discovery

Move to suppress blood draws lacking a warrant (Missouri v. McNeely), body-cam and CAD-log discovery, and Pitchess/Brady requests on the investigating officer.

Suppression

07 — Court Process

How PC §191.5 Vehicular Manslaughter While Intoxicated Cases Move Through Los Angeles Courts

§191.5 cases proceed as felony filings, typically with a preliminary hearing and expert-heavy discovery.

  1. 1

    Step 1CHP / LAPD Fatal Investigation

    Multi-Disciplinary Accident Investigation Team (MAIT) reconstruction; blood-draw at hospital under implied consent.

  2. 2

    Step 2Charging Decision — §191.5 vs. §187 Watson

    DA reviews prior-DUI record, Watson advisement, and impairment evidence. Prior + advisement = Watson risk.

  3. 3

    Step 3Arraignment

    High bail typical — often no-bail hold on §191.5(a) or Watson filings.

  4. 4

    Step 4Preliminary Hearing

    Toxicologist, accident-reconstructionist, and medical-examiner testimony. Prime venue for §17(b) argument and Watson defense.

  5. 5

    Step 5Motions

    §995 sufficiency motion; §1538.5 blood-draw suppression; Watson-advisement motion in limine.

  6. 6

    Step 6Expert Retention

    Defense forensic toxicologist, accident reconstructionist, and biomechanical expert.

  7. 7

    Step 7Trial or Plea

    Trial focuses on impairment, causation, and negligence gradient. Pleas negotiate from §187 down to §191.5(a), or from §191.5(a) down to §191.5(b).

  8. 8

    Step 8Sentencing / VC §13350 DMV Revocation

    Sentencing includes restitution hearing; DMV license revocation is automatic and independent.

Reviewed by Your Attorney

Daniel S. Rubin — Los Angeles Vehicular Manslaughter While Intoxicated Defense Attorney

Daniel S. Rubin has defended clients charged with vehicular manslaughter while intoxicated and related offenses in Los Angeles County courts — including Clara Shortridge Foltz, Van Nuys, Compton, and Pomona. He understands that these cases are won in the details: the suppression hearing that eliminates key evidence, the preliminary hearing cross-examination that exposes a weak witness, the penalty phase argument that keeps a client out of the worst outcome.

This page was written and reviewed by Daniel A. Rubin, Los Angeles criminal defense attorney, CA State Bar 302093, with 10+ years of experience defending clients charged under PC §191.5 in Los Angeles County. Last reviewed: July 2026.

CA Bar 302093 | Whittier Law School | Rising Star — Super Lawyers 2019–2023 | Vehicular Manslaughter While Intoxicated Cases Throughout LA County

See our full Vehicular Manslaughter While Intoxicated defense practice

09 — FAQs

PC §191.5 Vehicular Manslaughter While Intoxicated Questions — Los Angeles

What is PC §191.5?

California's DUI-homicide statute. It punishes an unlawful killing without malice arising from driving while under the influence, combined with a separate negligent driving act that proximately causes the death.

What is the difference between §191.5(a) and §191.5(b)?

§191.5(a) requires gross negligence and is a straight felony carrying 4, 6, or 10 years state prison. §191.5(b) requires only ordinary negligence and is a wobbler — felony 16m/2/4 yrs or misdemeanor up to 1 year jail.

Is PC §191.5 a strike?

§191.5(a) — gross vehicular manslaughter while intoxicated — is a violent felony under PC §667.5(c)(23) and is a strike. §191.5(b) is not a strike.

Can a DUI fatality be charged as murder instead of §191.5?

Yes. Under People v. Watson (1981) 30 Cal.3d 290, a DUI-caused death can be charged as PC §187 second-degree implied-malice murder — 15-to-life — where the defendant has a prior DUI conviction with a documented Watson advisement.

What is the sentence for PC §191.5(d)?

§191.5(d) escalates §191.5(a) to 15 years to life state prison where the defendant has a prior conviction under §191.5, §192(c)(1) or (3), §192.5(a) or (c), or a VC §23153-based homicide.

Is probation available for PC §191.5?

For §191.5(a), probation is presumptively unavailable under PC §1203(e). For §191.5(b), probation is available; formal felony probation or misdemeanor probation is common in appropriate cases.

Does the 85% rule apply to §191.5?

Yes. §191.5(a) is a violent felony under PC §667.5(c)(23) and subject to the 85% rule under PC §2933.1 — a defendant must serve 85% of the sentence before release.

Will I lose my driver's license on a §191.5 conviction?

Yes. Under VC §13350, DMV must revoke your driver's license on any §191.5 conviction. The revocation is separate from and additional to any criminal-court probation or prison term.

Is §191.5 an aggravated felony for immigration?

§191.5(a) is a crime involving moral turpitude and is frequently treated as an aggravated felony under 8 U.S.C. §1101(a)(43)(F) (crime of violence with a sentence of one year or more). Non-citizen defendants face mandatory detention and removal exposure.

Available 24/7 — Free Consultation

Charged With PC §191.5 in Los Angeles?

A DUI-fatality allegation can be filed as vehicular manslaughter — or upgraded to Watson murder. Rubin Law, P.C. defends both. Call (213) 723-2337.