Parents of murdered young man launch fresh appeal to catch his killers

The parents of a young father-of-one who was murdered by a gang have launched a fresh appeal to catch his killers -- on the tenth anniversary of his death.

Adam Chadwick, 20, was gunned down when three masked men and a woman burst into his sister's house in 2008.

He had tried to fend off their advances but was shot in the head during a struggle with the unknown intruders in what is thought to be a case of mistaken identity.