A NORTHUMBERLAND man has been arrested in connection with a murder more than two decades ago.
Keith Edward Slater, 35, was stabbed through the neck when he answered a knock on the door to his East Yorkshire home on August 27, 1988.
The killer Martin Brown was only caught, arrested and convicted in 2007 when reviewing officers from a cold case team re-opened the files and used new DNA techniques to catch him.
But now a 52-year-old Widdrington man, who has not been named, has been arrested in connection with the case by officers from Humberside Police.
He was arrested on suspicion of conspiracy to commit murder and soliciting another person to commit murder and is being questioned at a nearby police station.
The relatives of Mr Slater have been told of the arrest.
Chief Superintendent Colin Andrews, the officer leading the investigation from Humberside Police, said: "This murder has been investigated for a number of years.
"Although one man has been convicted of the murder I believe that there were others also involved in the death.
"The arrest is a result of the ongoing enquiry into Mr Slater's murder.
"I would appeal to anyone, particularly in the Widdrington and Hull areas, who has any knowledge of Keith Slater's murder which they have not yet passed on to the police to come forward and to talk to us.
"The length of time that has passed has not affected our investigation – as with all such cases we are determined to bring all those involved to justice."
Martin Paul Brown, from Anlaby in East Yorkshire, was extradited from Australia in May 2006 to stand trial in the UK.
He was found guilty of murder after a trial in February 2007.
The court heard he was obsessed by the occult and scrawled his birth date, the number of his victim's house and the date he planned to carry out the murder on a matchbox found in the area.
Keith Slater was stabbed at his home at 12.20am on August 27, 1988.
His wife Carol, 33, ran downstairs to help and pushed the killer out the doorway, before tending to her dying husband.
The court was told she had had a five-month affair the year before the killing but was reconciled to her husband.
Brown was a friend of Mrs Slater's former lover Joe Henry.
This was the only link between the accused and his victim and is thought to have been the catalyst for the murder.
Anyone with information is asked to contact the Major Incident Team on (01377) 208 989 Crimestoppers on (0800) 555 111 or Humberside Police on (0845) 60 60 222.
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