Nelson B. Castillo Jr., 25, was shot on the night of September 14, 2013, on Archdale Road in Boston’s Roslindale neighborhood. Police found him at 80 Archdale Road shortly before midnight; he was pronounced dead and the medical examiner ruled the manner of death a homicide. That night produced multiple shooting incidents across the city, but Castillo’s death was the only fatality among them.

Friends and family identified him as a young husband and father from Roslindale. The shooting took place in and around the Archdale housing area, which had experienced prior episodes of gun violence, heightening concern as news of the citywide shootings spread that weekend. Authorities appealed for information, and the Boston Police Department lists Castillo’s killing among the city’s unsolved 2013 homicides; no arrests or suspects have been publicly announced.

If anyone knew Nelson, saw activity near Archdale Road that night, or has information that could help, please come forward.