POLICE are re-investigating the unsolved murder of a businessman 13 years after his death.
Alexander Blue, 41, was battered to death outside his home in the west end of Glasgow on June 24, 2002.
His brother, Billy, said he was confident the killer would be caught, saying that technological advances could be key to catching the person responsible.
The 57-year-old said: "All the evidence, DNA and forensics are being re-examined with all the latest, up-to-date, technology. Technology is evolving and that gives us confidence Alex's killer will be caught."
Mr Blue was beaten, stabbed and left for dead in the drive of his home.
He was found in a pool of blood outside his home at 12.20am on June 25 but he died two days later from head and facial injuries at the Southern General Hospital.
He had been seen sipping a cappuccino alone at the Beanscene cafe in Cresswell Lane. But where he went - or who was with - in the time between then and his murder remains a mystery.
Police launched a nationwide campaign.
Dozens of officers were assigned to the investigation, led by the now-retired Detective Chief Inspector David Swindle.
However, the case remains unsolved.
Mr Blue, from Robroyston, said: "The police are determined to solve the case and we have been told they are making good progress.
"I continue to be impressed by the seniority of the officers involved and how seriously they are taking this case. I'm still meeting with senior officers and I know the case is far from dead.
"It may have taken a lot longer than we would have liked, but the case is becoming a lot clearer."
He added: "But DNA technology is advancing every day and I believe we are finally getting somewhere.
"In recent months, modern techniques have been used on the evidence gathered at the time and progress is being made."
As part of the investigation, detectives used a forensic accountant to examine Mr Blue's finances in the hunt for clues.
Police also released an e-fit of a man seen some days before the murder coming out of Mr Blue's flat in Dundonald Road, Dowanhill. Mr Blue also spoke of the effect the unsolved killing of his brother has had on their 82-year-old mother Kathy.
He said: "Everything that has happened over the last 13 years have taken their toll on her health"
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