John Cardoso, a 25-year-old man of Cape Verdean descent, was shot and killed in Dorchester in the early hours of January 1, 2010. He was found outside 315 Geneva Avenue around 2:15 a.m., taken to Carney Hospital, and later pronounced dead. The Office of the Chief Medical Examiner ruled the death a homicide by shooting.

The Boston Police Department’s homicide detectives canvassed the area after the shooting and asked the public for information, offering anonymous tip lines.

If anyone has memories of the area that night or information about John Cardoso’s death, please share what is known with investigators.