Clyde Otis Alston, 67, was shot and killed in Durham, North Carolina, on December 1, 2011. Police discovered him inside his home after responding to a shooting call; he was taken to Duke University Hospital and later pronounced dead.

The killing remains unsolved. Durham investigators have asked the public for any information that might help the case and urged anyone who knows something to come forward.

If anyone knew Clyde Otis Alston, his routines, visitors to his home, or saw anything unusual in that neighborhood around December 1, 2011, please contact the Durham authorities with what you know.