Man connected to deadly hit-and-run arrested while trying to leave the county, police say

Published
June 20, 2026
Outcome
Fatal
Location
Gaithersburg, Maryland
intersection of Muddy Branch Road and West Diamond Avenue
Incident type
Hit and run, Crash

Summary

Hit And Run Gaithersburg Maryland in Gaithersburg, Maryland: A 26‑year‑old man was accused of driving a 2011 Honda CR‑V into a grassy median at the intersection of Muddy Branch Road and West Diamond Avenue in Gaithersburg, Maryland, just after 4:45 a.m. on Wednesday, killing 56‑year‑old Brian Roy Longaberger and then leaving the scene. Police located a damaged Honda later that morning, issued an arrest warrant for Josue David Carranza Castellon, and arrested him two days later in New Jersey while he attempted to board a flight to Honduras. He has been charged with manslaughter by vehicle and failure to remain at the scene of an accident resulting in death and is awaiting extradition to Maryland.

Publicly reported parties

Name Role Status
Brian Roy Longaberger Driver Fatal
Josue David Carranza Castellon Driver Unknown

Original reporting

Man connected to deadly hit-and-run arrested while trying to leave the county, police say

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