Here's the press release from Montgomery County Police:
Detectives from the Montgomery County Police Collision Reconstruction Unit (CRU) are continuing to investigate a serious pedestrian hit-and-run collision that occurred in the Piney Branch area of Silver Spring.
The pedestrian has been identified as Danny Elizabeth Alay-Mateo, age 22, of the 9100 block of September Lane in Silver Spring. She remains hospitalized with life-threatening injuries.
The description of the vehicle has been modified to a 1994 -1998 GMC Jimmy, Chevy S-10 pick-up truck, Chevy Blazer, or Oldsmobile Bravada. The vehicle will most likely have damage to the right front headlight, possibly dents in the hood, and cracks in the glass windshield. The damage may be slight. The right side exterior mirror was located at the scene and the plastic housing compartment, of the exterior mirror, is believed to still be attached to the vehicle.
On Saturday, September 25 at approximately 8:13 p.m., 3rd District officers and Fire/Rescue personnel responded to the 8700 block of Carroll Avenue, near Piney Branch Road, for the report of a pedestrian struck.
The preliminary investigation determined that for unknown reasons, Alay Mateo was in the northbound portion of the roadway of the 8700 block of Carroll Avenue. For reasons still under investigation, a dark colored vehicle struck her and failed to stop and remain at the scene. She suffered significant injuries and was transported to an area trauma center.
Investigators believe that there are members of the community who know more details about this collision and they are urged to call in. Please contact the Collision Reconstruction Unit at 301-840-2435.
Those who wish to remain anonymous may call Crime Solvers of Montgomery County toll-free at 1-866-411-TIPS (8477). Crime Solvers will pay a cash reward of up to $1,000 for information provided to them that leads to an arrest and/or indictment for this felony crime.