Federal Agents Arrest Suspect in 2023 Fatal Hit-and-Run
Authorities took a 22-year-old man into custody over three years after a teenager was struck and killed in Northeast Philadelphia.
Updated on Oct. 15, 2026 in Law Enforcement

Federal agents have arrested 22-year-old Robert Reynolds in connection with a July 2023 hit-and-run crash that resulted in the death of 16-year-old Billy McWilliams. The arrest occurred at an apartment on the 9200 block of Blue Grass Road.
Why it matters
The arrest brings a major development to a cold case investigation that has remained unresolved since the collision took place near Woodhaven and Byberry roads.
Robert Reynolds faces charges of vehicular homicide, involuntary manslaughter, driving without a license, and unauthorized use of an automobile. The Philadelphia Police Department's Crash Investigation Unit previously recovered the suspect vehicle on Brous and Princeton avenues.
The players
Robert Reynolds
He is a 22-year-old suspect currently facing charges of vehicular homicide and involuntary manslaughter.
Billy McWilliams
He was a 16-year-old victim who died after being struck by an automobile in a 2023 hit-and-run incident.
Philadelphia Police Department
This is the primary local law enforcement agency responsible for investigating crimes and traffic collisions within the city.
The details
The Philadelphia Police Department's Crash Investigation Unit conducted the probe into the death of Billy McWilliams, who was 16 when he was struck. Agents apprehended the suspect at a residence located roughly five miles from the initial crash site.
Timeline
The fatal hit-and-run crash occurred in July 2023.
Federal agents arrested Robert Reynolds in October 2026.
Legal Context
The apprehension of the suspect follows a pattern set by the Philadelphia Police Department's Crash Investigation Unit cold case protocols, which prioritize the resolution of long-standing fatal traffic investigations. This case highlights how forensic evidence, such as vehicle recovery, can lead to charges years after an offense.
Residents in the area near the 9200 block of Blue Grass Road may see continued investigative activity as the prosecution proceeds. This case serves as a reminder of the ongoing efforts by local authorities to resolve outstanding hit-and-run investigations.
The takeaway
This case underscores the persistence of investigative units in pursuing suspects long after a fatal incident occurs. Families seeking closure in similar traffic-related crimes often rely on the continued dedication of local crash investigation units.
Further reading
For more updates on local legal developments, visit the Law Enforcement section.










