"We do not know the identities of these three men, but are appealing to them in particular".
Peter had worked for British Telecom for 35 years and retired to the Norfolk area 30 years ago where he enjoyed living a simple life with his family and dogs.
'People always seemed to take a liking to him.
"When we think of Peter we remember him with fond and happy memories that will stay with us always".
Murder detectives investigating the death of an 83-year-old man fatally stabbed while walking his two dogs have released descriptions of three potential witnesses who they are keen to trace.
The father of two was attacked in woodland and suffered "multiple wounds" including to his head and neck.
He was found by a passer-by in woods - said to be used by drug gangs to do deals - near East Harling, Norfolk, close to his home in Banham.
Police have revealed that they are looking for three men who are believed to have been seen near the woodland where Peter Wrighton was murdered.
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No arrests have been made since Mr Wrighton's body was found by a member of the public.
"These people are: White man, aged over 50, of a slim build with pale skin with grey or white hair which is balding on top". It is believed that he was wearing heavy-rimmed glasses and light coloured pants. He was seen in The Street changing into a white t-shirt.
The first potential witness is white with a tanned complexion, aged 25 to 30, 5ft 9in to 5ft 11in tall, with an athletic build, short, dark wavy hair and dark eyes. He was seen within the boundary of the woodland site police are searching. He was seen walking without a dog in the northern area of the heath. "To do this we need to piece together Peter's final movements and understand what happened to him and why".
Detective Superintendent Andy Smith added: "We would like to help Peter's family and the people in the area understand what has happened".
Norfolk's County Policing Commander, Chief Superintendent Mike Fawcett, said: "I would like to reassure the public that we are following several lines of enquiry and are pleased the public are supporting us in our investigation".
More than 100 officers are now working on DS Smith described as a "large scale, complex, detailed investigation", which has included forensic analysis of the scene, house-to-house enquiries and extensive searches of the area.
He said officers also wanted to hear from delivery drivers who may have been in the area and to obtain dash-cam footage.
DS Smith said: "There is no one motive we're focusing on". I hope residents will take some reassurance from the increased policing presence today which will be continuing throughout the evening and as long as is necessary, but I am aware that this incident will be causing some to worry.