Cambridgeshire police are re-appealing for information about the murder of a solicitor 35 years ago.
A murder investigation was launched after Janice Weston's body was found by the side of the A1 near Brampton on September 11, 1983.
A post mortem found Janice died as a result of blows to the head.
Janice, 36, was living in London and was a solicitor and partner in a well-established firm.
She was last seen alive at about 4.15pm at her London office the day before her body was found.
Her car, a silver Alfa Romeo Alfetta, was missing when her body was found. It was later discovered abandoned in Redhill Road, London.
Despite an extensive police investigation and a reconstruction on Crimewatch, nobody has ever been convicted of Janice’s murder.
Officers from the Bedfordshire, Cambridgeshire and Hertfordshire Major Crime Unit are conducting a review of the murder, exploring new forensic opportunities and appealing for anyone with information to come forward.
Assistant investigator Kelly Knibbs said: “We’re now 35 years on from Janice’s death, but no unsolved murder investigation is ever closed.
“We’ve been conducting a review of the case and are keen to hear from anyone who may have any information about what happened.
“In addition to any new information, we’re also keen to speak to people who came forward during the original investigation but maybe did not tell us everything they knew, or those who spoke to Crimewatch but not directly to police.”
Anyone with information should call police on 101 quoting Op Oakmere or visit www.cambs.police.uk/report.
Alternatively, contact Crimestoppers, anonymously, on 0800 555111 or via www.crimestoppers-uk.org.