The charges against the man accused in a crash that killed a Harlingen tow truck driver have been upgraded, according to the Cameron County District Attorney's Office.

The DA's office said Cristobal Stephan Garzez is now facing an upgraded charge of intoxication manslaughter, manslaughter, and possession of a controlled substance. He was initially charged with manslaughter, collision involving death, and possession of a controlled substance.

He is scheduled for arraignment on Tuesday under the new charges.

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Garzez is accused of fatally striking 46-year-old David Zapata on July 8, 2025. Garzez allegedly fled the scene but was located nearby and taken into custody.

According to a criminal complaint, Garzez's vehicle had blood spatter on the passenger door and a small white baggie containing 1.26 grams of a white powdery substance was found in the vehicle.

An indictment identified the substance as fentanyl.