The body of Ronnie Simpson was discovered in Mayfield Drive, Armadale, on Saturday October 6. He had been the victim of a “brutal assault” and suffered serious head injuries.
Crimestoppers is offering up to £5000 for anyone who can help police find and convict his killer or killers.
CCTV footage of him was released last week with an appeal for anyone who saw him after he visited local shops.
Anyone with any information is asked to contact the police or Crimestoppers, where information can be given anonymously