Detectives from the Montgomery County Department of Police – 3rd District Investigative Section are asking for the public’s assistance in locating Nelson Antonio Diaz Castillo, a missing 35-year-old.
Diaz Castillo was last seen on Wednesday, December 10, 2025, around 3 p.m. in the 9100 block of Piney Branch Road in Silver Spring. He is 5-feet, 6-inches tall, 160 lbs., with short black hair, brown eyes, with a beard and moustache…