Deer Park, NY (July 16, 2025) – A man died early Monday morning in a rollover crash that also injured another person in Deer Park.
The crash happened around 3:45 a.m. on Grand Blvd. Police say 56-year-old Anthony Guglielmo was driving a Mini Cooper when it collided with a westbound Jeep.
The impact caused Guglielmo’s vehicle to roll over. Emergency crews responded to the scene and transported both drivers to Good Samaritan University Hospital in West Islip.
Guglielmo, a Deer Park resident, later died from his injuries. The Jeep’s driver, 37-year-old Stefanie Russo, suffered non-life-threatening injuries and is expected to recover.
Authorities have not yet said what caused the crash. The investigation is still ongoing. We extend our heartfelt condolences to Guglielmo’s loved ones and wish Russo a smooth and full recovery.

In Suffolk County and throughout New York, rollover accidents often occur due to speeding, distracted driving, or sudden lane changes. The risk increases when smaller vehicles like Mini Coopers collide with larger SUVs or trucks. Here are the common causes of rollover crashes:
Victims of rollover crashes often suffer from broken bones, head trauma, or spinal injuries. Families grieving a fatal loss may also face funeral costs, lost income, and emotional suffering. A skilled car accident attorney can help investigate what went wrong and guide victims or their families through the legal process.
At metrolaw.com/, we’ve spent nearly 40 years supporting injured clients and grieving families across New York. We understand how overwhelming it is to deal with medical bills, insurance claims, and legal questions during such difficult times.
We offer free consultations, weekend and evening appointments, and bilingual support in Spanish and Portuguese. If you or a loved one has been affected by a rollover crash, call metrolaw.com/ today at 800-469-6476 to get the help you deserve.