Calvin Alexander, a 48-year-old African-American man originally from Providence, Rhode Island, was shot to death on the evening of September 17, 2007, inside a residence at 23 Shandon Road in the Mattapan neighborhood of Boston. Police found him with multiple gunshot wounds and he was taken to Boston Medical Center, where he later died. The Office of the Chief Medical Examiner ruled his death a homicide.

The Boston Police Department’s Homicide Unit opened an investigation but the case remains unsolved. No suspects have been publicly identified and no arrests have been announced. It is not clear why Alexander was at that address on the night he was killed.

Anyone with information about Calvin Alexander’s movements that evening or the people he was with is asked to contact the Boston Police Department.