CCTV, house-to-house and forensic enquiries are also being carried out in the local area.
Detective Chief Inspector Rachel Wilson said: “This is obviously a very a tragic incident and our thoughts are with Mr Decker’s family and friends.
Vyner Close in Birkenhead (Image: Google Maps)
“The investigation is in the very early stages and we are currently working to establish Mr Decker’s movements on the Saturday and Sunday.
“Vyner Croft is only a small cul-de-sac and I am keen to establish if there was anyone seen in that road or any of the surrounding roads acting suspiciously prior to the discovery of Mr Decker’s body.
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