Updated at 2.07pm: A 21-year-old man suspected of fleeing to the mainland after committing a murder three years ago has been returned to Hong Kong by the Shenzhen Public Security Bureau, a police spokesman said on Friday. The murder took place on April 9, 2003, when police received a report that a 67-year-old man was found lying unconscious inside his bedroom at 5 Bowring Street at 9.30am. The spokesman said the 67-year-old man was certified dead at the scene. ?Investigations revealed that the head of the deceased was wrapped in a towel and a plastic bag and wounds were found at the back of his head,? he added. Police said the victims? body was discovered by an employee who had failed to find his employer at his shop. The spokesman said police had believed that the murder suspect had left for the mainland. The 21-year-old man was subsequently located in Lowu by the Shenzhen Public Security Bureau in mid-August 2006. ?The suspect was returned to Hong Kong Police on Thursday and is now being detained for further inquiries,? the spokesman said. Investigations by the District Crime Squad of Yau Tsim are proceeding. News reports have identified the victim as a meat stall owner from the Kwun Chung Street market.