Dyfed-Powys Police is reviewing another Pembrokeshire 'cold case', involving an attempted rape and burglary which took place in Milford Haven more than 16 years ago.
The force is to look into the unsolved crime, which took place in Hanover Court, Milford Haven in 1994, following on from John William Cooper's prosecution for the Pembrokeshire Coast Path and Scoveston Park double murders.
A Major Crime Support Team has been set up by Dyfed-Powys Police to help with major crime and investigate cold cases, including an unsolved cases.
Although the victim has since died, new forensic evidence has been found relating to the incident and police are still appealing for the public's help.
Detective Chief Inspector Andy Williams said: "On Sunday February 6th 1994 between 4.30am and 7am a man broke into an elderly woman's home.
"The case was dealt with as an attempted rape and burglary at the time but despite a full investigation the culprit was never caught.
"We do have new evidence but we still need the public's help to solve this crime.
"We are asking for anyone who may have suspicions about who did this crime or anyone with information to contact us.
"Sadly the victim has passed away but we are continuing to pursue the individual who put her through a horrific ordeal”
Anyone with information can contact the Major Crime Support Team via 101 or Crimestoppers anonymously on 0800 555 111.