Police have begun to re-examine the home of Claudia Lawrence in the hope that forensic advances will help them solve the mystery of the missing chef.
Claudia was last seen by her colleagues at the University of York on the afternoon of March 18, 2009, when she finished her shift.
She spoke to her parents, Peter and Joan, on the phone that evening.
Despite North Yorkshire Police launching a high-profile search, the 35-year-old has never been seen since.
Yesterday the police started a review into her disappearance, which begins with a search of her home on Heworth Road, York.
The recently-formed Major Crime Unit at North Yorkshire Police will, as part of its ongoing cold case review remit, start work using forensic experts to see if there are any new clues, using advances in forensic techniques and applications.
Detective Superintendant Dai Malyn, Head of the Major Crime Unit, said: “Historically with some of the high profile cases progress has been made through forensic science and the developments in forensic science and that’s no different, in my hope, in this case.
“There is no new smoking gun or startling piece of evidence, I wouldn’t want people to believe that to be the case.
He said: “Most cold case review work considers forensic re-evaluation as techniques advance and this case is no different.
“I am also mindful that at some point in the future, the house may become re-occupied and these opportunities would otherwise be lost.
“Forensic science is continually evolving and I hope that scientific advances since Claudia was reported missing in March 2009 will assist with our review of the case.
“The work will begin with an initial assessment of the property, followed by approximately two weeks of further forensic work at the house.”
The Senior Investigating Officer also highlighted: “Originally, the house was tidy and there didn’t appear to be any sign of disturbance.
“But that’s not to say you cannot do something in a house then tidy it up to make it look as if everything was ordinary.
“These are the things that we’ll be looking at.”
He added: “As ever, we will afford anyone who contacts us our full attention if they think they have information which could assist, no matter how small or irrelevant they think that information might be.
“It is never too late for people to come forward with information now, that for whatever reason they felt unable to share with us in the past.
“We have officers skilled in dealing with sensitive matters or there is always the option of using Crimestoppers if you wish to remain anonymous.”
The disappearance of Claudia led to one of the largest investigations in the history of North Yorkshire Police.
At one stage more than 100 police officers were involved in the investigation and the search extended to the Republic of Ireland and Cyprus.
This case, together with others over time, will be reviewed by the newly formed Major Crime Unit of North Yorkshire Police.
Anyone with information can call North Yorkshire Police on 101 and select option 2 and ask for the Major Crime Unit.
Or call Crimestoppers on 0800 555 111 if you want to remain anonymous.