Skip to main content

COVID-19 Updates

Vaccine and Priority Group Information

Detectives Investigate Double Fatal Collision in Gaithersburg

For Immediate Release: Thursday, September 10, 2020

Detectives from the Montgomery County Department of Police – Collision Reconstruction Unit are investigating a double fatal collision that occurred in Gaithersburg last night.

On Wednesday, September 9, at approximately 6:37 p.m., 6th District officers, officers from the Gaithersburg Police Department, and Fire and Rescue personnel responded to Muddy Branch Road at West Deer Park Road for the report of a serious collision.

The preliminary investigation revealed that a 2020 Toyota Supra was traveling north on Muddy Branch Road approaching West Deer Park Road.  A 2001 Honda Accord was traveling south on Muddy Branch Road and was attempting to turn left onto eastbound West Deer Park Road; the Supra and Accord collided in the intersection.  Three unoccupied vehicles parked on Water Street were also damaged as a result of this collision.  Investigators believe that the Supra’s speed may have contributed to this collision.

The driver of the Supra, identified as Stephanie Angelica Vasquez, age 25, of Plyers Mill Road in Kensington, was pronounced deceased at the scene.  The front-seat passenger in the Supra, identified as Jonathan Charkas, age 35, of Garden View Way in Rockville, was also pronounced deceased at the scene.

The operator of the Accord is being identified as Heriberto Santos Gonzalez, age 40, of North Summit Avenue in Gaithersburg.  He was transported to a local hospital with serious injuries.   Two adult male passengers in the Accord were also transported to a local hospital with serious injuries.

This investigation is ongoing.  Anyone with information regarding this fatal collision is urged to contact the Collision Reconstruction Unit at 240-773-6620.

# # #

Release ID: 20-344
Media Contact: Rick Goodale 
Categories: fatal-collision