A man and a woman who were arrested on suspicion of murder have been released on police bail.
Kevin Childs, 58, died at a house on Park Lodge Lane in Eastmoor on Friday, February 7.
Police were called to a report of a sudden death at the house on Friday, February 7.
But after a post mortem examination was carried out a week later, on Thursday, February 13, detectives launched a murder investigation.
Detectives arrested, and questioned, a 55-year-old woman and a 66-year-old man.
Both have now been released on police bail.
Det Chief Insp Adrian Taylor, said: “Police were called to reports of the death of a 58 year old man at an address on Park Lodge Lane, at 4.22pm on Friday, February 7.
“A forensic post mortem conducted on Thursday, February 13, established suspicious circumstances to the death.”
Anyone with any information should contact Wakefield CID on 101 or Crimestoppers anonymously on 0800 555111.