Can motor vehicle homicide charges be dismissed? Yes, motor vehicle homicide charges can sometimes be dismissed or reduced in Massachusetts. But the path is narrower than most people expect, and one widely misunderstood rule shapes every decision you make from the moment you are charged. If you or a family member is facing these charges and hoping for a favorable resolution, the first thing to understand is what is actually possible and what is not.
The Rule That Surprises Almost Everyone: No CWOF
In most Massachusetts criminal cases, a continuance without a finding (CWOF) is exactly the outcome defendants hope for. You admit sufficient facts, the case is continued, and if you complete probation, the charge is dismissed with no conviction on your record. For motor vehicle homicide, that option does not exist. Not for the felony, and not even for the misdemeanor.
The Supreme Judicial Court settled this in Commonwealth v. Millican, 449 Mass. 298 (2007). A District Court judge had tried to continue a misdemeanor case under G.L. c. 90, § 24G(b) without a finding, over the Commonwealth’s objection. The SJC vacated that disposition and held that the no-CWOF language in § 24G(a) refers to the entire “section,” not just that one “subsection,” which means the prohibition reaches every prosecution under § 24G, misdemeanor charges included. So if anyone tells you a misdemeanor motor vehicle homicide can be quietly wrapped up with a CWOF, they are wrong. Knowing that going in changes how you evaluate every offer on the table.
Reducing OUI Manslaughter to Motor Vehicle Homicide
The single most consequential reduction in these cases is moving a charge under G.L. c. 265, § 13½ (manslaughter by motor vehicle while operating under the influence) down to motor vehicle homicide under § 24G. The reason comes down to the mandatory minimum. OUI manslaughter carries a five-year mandatory state prison sentence. Felony motor vehicle homicide under § 24G(a) carries a one-year mandatory minimum. The difference between those two charges, in practical terms, is years of someone’s life.
OUI manslaughter requires the Commonwealth to prove wanton or reckless conduct, a substantially higher mental state than the ordinary negligence that can support a § 24G charge. Where the driving was impaired but not egregiously reckless, that gap between the two standards is precisely where the defense leverage lives.
Reducing a Felony to a Misdemeanor
Within § 24G itself there is a second reduction worth understanding. The felony under § 24G(a) requires the Commonwealth to prove both that you were operating under the influence and that you drove negligently or recklessly. The misdemeanor under § 24G(b) requires only one of those things, as the SJC explained in Commonwealth v. Campbell, 394 Mass. 77 (1985). If your attorney can dismantle the negligence or recklessness element (for example, by showing that the other driver or an unavoidable road hazard caused the collision), the felony can collapse into the misdemeanor even when the OUI evidence is strong.
Note that § 24G also contains a third theory, reckless homicide by motor vehicle under § 24G(c), which involves reckless operation without intoxication and can be charged as a felony carrying up to five years in state prison. That means knocking out the OUI evidence does not automatically reduce a case to a misdemeanor if the driving itself was reckless.
When Dismissal Is Actually Realistic
Outright dismissal generally turns on one of two pressure points: causation or the integrity of the evidence. Massachusetts requires the Commonwealth to prove that your operation, not merely the fact of a death, was a cause of the fatality. An intervening cause, the victim’s own conduct, or a sudden mechanical failure can break that chain. If causation cannot be proven, the charge cannot stand.
The second pressure point is the evidence itself. A successful motion to suppress an improperly administered breath or blood test, or an unjustified stop, can strip out the OUI proof the felony depends on, and accident-reconstruction conclusions can be challenged on their own scientific footing. When the Commonwealth’s case loses its foundation before trial, a dismissal or a meaningful reduction becomes a real possibility rather than a hope.
How Plea Negotiations Really Work Here
Because a CWOF is off the table, negotiation in these cases is about the charge and the sentence, not about avoiding a record entirely. Prosecutors weigh the strength of their causation and impairment proof, the defendant’s history, and the wishes of the victim’s family. The stronger the defense challenges to causation and the OUI evidence, the more room there is to negotiate down from a felony or away from OUI manslaughter.
One narrow alternative the Millican court itself identified is pretrial probation under G.L. c. 276, § 87. Unlike a CWOF, it requires no admission of guilt and can end in dismissal if the terms are completed. It requires the prosecutor’s agreement and is rare in a case involving a death, but it exists. The statutory pretrial diversion program, by contrast, is generally not available for charges this serious.
Talk to a Lawyer Before You Accept Anything
The space between OUI manslaughter and a misdemeanor motor vehicle homicide, or between a conviction and a dismissal, is built by careful work on causation, suppression, and the science of the crash, not by waiting and hoping. If you or someone you love is facing motor vehicle homicide charges anywhere in Eastern Massachusetts, contact the Law Office of Matthew Peterson today for a free consultation at 617-295-7500, or send us a message below before making any decision about your case.









