Amazon driver found in idling van in Fruitland Park died of carbon monoxide poisoning, medical examiner rules

The death of an Amazon delivery driver found unresponsive in her van in Fruitland Park this summer was an accident caused by carbon monoxide poisoning, the Lake County medical examiner has ruled. Jaylene Vargas-Gonzalez, 31, died on Aug. 10, 2026, after a neighbor noticed her delivery truck idling near the end of his driveway for hours. The Lake County Sheriff's Office made the cause of death public on Friday, Nov. 6, nearly three months after deputies found her in the back of the vehicle.

According to the autopsy report, as described by WKMG News 6 in Orlando, Vargas-Gonzalez had a carboxyhemoglobin saturation of 58 percent at the time of her death. Carboxyhemoglobin is the measure of how much carbon monoxide has bound to the hemoglobin in a person's blood, displacing the oxygen it normally carries. The report also said tests of the van's interior with the engine running showed elevated carbon monoxide levels, and the autopsy found no evidence of traumatic injury or natural disease. The medical examiner classified the manner of death as an accident.

Detectives with the sheriff's office Criminal Investigation Bureau said they are continuing to investigate. Officials have not said publicly how the gas entered the cabin or whether any mechanical problem with the van has been identified.

What happened on Aug. 10

Deputies were called to the Clark Road area near Fruitland Park at about 7:22 p.m. on Aug. 10, according to an update the sheriff's office released at the time and reported by WFTV Channel 9. The caller reported that an Amazon delivery vehicle had been stationary for an extended period of time.

That caller was Patrick Miranda, a Fruitland Park resident who phoned the sheriff's office non-emergency line after seeing the truck parked near his driveway for several hours, still running but apparently empty. He told WKMG that he could see a phone still plugged in and a backpack inside, but no driver. "It seemed kind of strange," Miranda said.

Surveillance video from Miranda's home shows deputies and Lake County Fire Rescue responding, WKMG reported. A deputy opened the front passenger door and reacted to fumes, then opened the rear sliding doors and found Vargas-Gonzalez unconscious in the cargo area. Miranda said one deputy appeared lightheaded after approaching the truck.

Firefighters wearing gas masks secured the area. Miranda told the station that crews sprayed Vargas-Gonzalez with a fire hose before paramedics began lifesaving efforts, which he understood was done to rinse off any possible toxic chemicals. She was taken to a hospital, where she was pronounced dead.

A three-month wait for answers

In the days after her death, the sheriff's office identified the driver and said only that the cause of death remained unknown and that detectives were investigating. Lake County Fire Rescue and EMS had also responded to the scene, according to the agency's August update.

The ruling released this month answers the central question of how she died. The following table summarizes the key findings as reported from the autopsy.

The sheriff's office has not announced any charges, and nothing in the released findings assigns responsibility. An accident ruling by a medical examiner describes the manner of death; it does not by itself resolve questions about the vehicle's condition, maintenance or any workplace safety issues, which remain part of the ongoing investigation.

Amazon's response

Amazon responded in August, saying it was deeply saddened by what it called a tragic incident and that its thoughts were with the driver's loved ones, according to WKMG. The company said it was cooperating fully with local authorities. Amazon has not publicly commented on the medical examiner's findings.

Public reports have not said whether Vargas-Gonzalez was employed directly by Amazon or by one of the independent delivery contractors that operate many of the company's routes, and the sheriff's office has not addressed that question.

Why carbon monoxide is so dangerous

Carbon monoxide is an odorless, colorless gas that the Centers for Disease Control and Prevention says kills without warning. It is produced whenever fuel is burned, and the CDC notes that exhaust from any car or truck contains it. A small leak in a vehicle's exhaust system can allow the gas to build up inside the passenger compartment, which is why the agency recommends having a mechanic inspect the exhaust system every year.

The CDC lists headache, dizziness, weakness, nausea, vomiting, chest pain and confusion as the most common symptoms, and says they are often mistaken for the flu. High levels can cause a person to pass out or die. Because the gas gives no sensory warning, people can be overcome before they recognize anything is wrong.

Nationally, the CDC estimates that unintentional carbon monoxide poisoning not linked to fires kills more than 400 people in the United States each year, sends more than 100,000 to emergency departments and leads to more than 14,000 hospitalizations.

For workplaces, the federal Occupational Safety and Health Administration sets a permissible exposure limit of 50 parts per million of carbon monoxide, averaged over an eight-hour shift, according to the agency's carbon monoxide fact sheet. The released findings in the Fruitland Park case did not include a parts-per-million reading from the van.

What it means for Florida drivers

Delivery vans are a constant presence on Florida roads, and drivers routinely spend long stretches inside idling vehicles, often with the air conditioning running in the heat. The CDC's guidance applies to any vehicle: keep exhaust systems inspected, never run an engine inside an attached garage, and keep fresh air moving when a tailgate or rear door is open so exhaust is not drawn into the cabin.

Anyone who feels the flu-like symptoms associated with carbon monoxide while in or near a running vehicle should get to fresh air immediately and call 911. Responders in the Fruitland Park case took their own precautions, with firefighters in gas masks approaching the van after a deputy reacted to fumes.

What's next

The Lake County Sheriff's Office Criminal Investigation Bureau says its investigation remains open. Investigators have not said when it might conclude or whether findings about the van itself will be released. Any future update from the sheriff's office, Amazon or federal workplace safety regulators would be the next step in explaining how a delivery shift in a quiet Lake County neighborhood ended in a fatal exposure to a gas no one could see or smell.