Incident location, Long Island
What Happened
A Deer Park man was found guilty by a Suffolk County jury of four counts of murder and driving while intoxicated for a catastrophic crash into a nail salon that left four people dead and nine more injured, according to Long Island Life & Politics. The defendant, Steven Schwally, drove his vehicle at a high rate of speed into the Hawaii Nail & Spa at 796 Grand Boulevard in Deer Park on June 28, 2024, in what prosecutors described as a deadly, alcohol-fueled crash.
According to Long Island Life & Politics, Schwally had been living alone at the Commack Motor Inn at the time of the crash. At approximately 11:00 a.m. that morning, he visited a liquor store located in the same strip mall as the Hawaii Nail & Spa, where he purchased two bottles of Montebello Long Island Iced Tea Cocktail. He then proceeded to drive into the salon at a high rate of speed. The strip mall setting — with a liquor store and a busy salon sharing close proximity — became a central element of the prosecution’s timeline.
Among the four people killed in the crash was an NYPD officer, a detail that drew widespread attention and led to significant law enforcement presence throughout the trial proceedings, as noted in a Patch Long Island roundup. Nine additional victims were injured, though the nature and severity of those injuries have not been fully detailed in currently available sources.
Jury deliberations in the case began on June 3, 2026, and the verdict was returned shortly after. A prior Long Island Traffic report noted that the prosecution rested its case after an expert witness testified specifically about Schwally’s level of intoxication prior to the crash. Court records indicate a detective who responded to the scene testified that Schwally appeared surprised that four people had died — a detail that drew significant attention during trial proceedings.
The full circumstances of how Schwally’s vehicle entered the salon — exact entry point, whether any barriers were present, and any prior warnings or conditions — have not yet been confirmed in available sources. Details of the victims’ identities beyond the NYPD officer have not been fully released in the source material reviewed for this report.
Location & Road Context
Grand Boulevard in Deer Park is a heavily traveled commercial corridor in western Suffolk County, lined with strip malls, retail shops, and service businesses. The 796 Grand Boulevard address sits within a cluster of small commercial units typical of the area — storefronts accessible directly from surface parking lots, with no significant physical barrier between parked vehicles and the building facades. This type of commercial layout, common across Long Island’s suburban retail strips, offers minimal protection against vehicle intrusion incidents.
Deer Park falls within a stretch of central Suffolk County where surface road crashes involving impaired drivers have been a recurring concern. No specific road statistics for Grand Boulevard are available in current traffic databases, but the corridor’s character as a busy local commercial road — with frequent pedestrian activity between storefronts — underscores the severity of a high-speed vehicle incursion into a business.
Investigation & Legal Proceedings
Schwally was prosecuted by the Suffolk County District Attorney’s Office, which presented expert testimony on his intoxication level and built its case around his documented movements before the crash. The jury returned guilty verdicts on four counts of murder as well as the driving while intoxicated charge. A prior Long Island Traffic report noted that jury deliberations began June 3, 2026, and the verdict and initial sentencing news was reported on June 4, 2026. A formal sentencing date and full sentencing details remain limited pending court records becoming publicly available.
What This DWI Charge Means
Under New York Vehicle and Traffic Law §1192, impaired driving is prosecuted at several levels. A standard DWI charge applies when a driver’s blood alcohol content is measured at 0.08% or above. Aggravated DWI applies at a BAC of 0.18% or higher and carries steeper penalties even at the first-offense level. Because Schwally was convicted not only of DWI but of four counts of second-degree murder — a far more serious charge — his sentencing exposure extends well beyond standard impaired-driving penalties. Under New York Penal Law, a second-degree murder conviction carries a mandatory minimum of 15 years to life in state prison per count, meaning Schwally faces the possibility of consecutive sentences.
For drivers charged with standard first-offense DWI in New York, consequences include fines of $500–$1,000, a minimum six-month license revocation, mandatory installation of an ignition interlock device, and up to one year in jail. Refusing a chemical test (breathalyzer or blood draw) in New York triggers an automatic one-year license revocation under the state’s implied consent law, plus a $500 civil penalty — and refusal can itself be used as evidence of consciousness of guilt in a criminal trial.
Case Status & Updates
It is important to note that while Schwally has been convicted by a jury, formal sentencing had not yet been publicly confirmed in full detail at the time of this report. Sentencing is expected to be scheduled in Suffolk County court. Long Island Traffic tracks DWI and criminal vehicular cases through the full court process and will update this report with sentencing outcomes, appeals filings, and any additional court proceedings as they become part of the public record.
As with all criminal proceedings: a charge is an accusation, and every defendant is presumed innocent until proven guilty in a court of law. In this case, the jury has rendered its verdict — but the full legal process, including any potential appeal, continues.