Doorstep Murder police 'open minded' 20 years on

Cold case detectives re-investigating the shooting of a banker 20 years ago say they are keeping an open mind to the murderer's motive.

Dad-of-two Alistair Wilson was shot on the doorstep of his family home in the Highland seaside town of Nairn on 28 November 2004. He later died in hospital.

The murder remains unsolved and Mr Wilson's family have criticised police efforts to find the killer.

Officers previously said they had a potential motive and suspect, but the senior detective overseeing the new probe said there were many open lines of investigation and nothing was being discounted.

Det Ch Supt Chow, who has been involved in other cold cases including the 1984 murder of Mary McLaughlin, said the re-investigation would take as long as was needed.

She added: "It is a really complex investigation and I am committed and determined to finding answers for Alistair's family."

The re-investigation, called Operation Sabine, was ordered by Scotland's top law officer in September.

Since the murder, police have released various pieces of information on the killer:

In December last year, Mr Wilson's family complained to the Police Investigation and Review Commissioner (Pirc) about the handling of the force's investigation.

Police Scotland and the Crown Office said at the time they had met the family to discuss the matters raised by them.

Then in September this year, the family said they had "lost confidence" in the national force and labelled it "incompetent".

Mrs Wilson and her son Andrew, who is now 24, told the Press and Journal newspaper that their relationship with police had "steadily deteriorated" in the past 18 months.

The family said this was due to unresolved issues not being properly addressed.