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South Wales Police say they have concluded their search of the former home of Susanne Llewellyn-Jones, who went missing in 1980.
The property, in Llandaff, Cardiff, was searched along with Churchill's Hotel on Cardiff Road, which Mrs Llewellyn-Jones operated along with her husband.
"These routine enquiries are essential in any long-term missing person case and particularly to our investigation in determining what happened to Susanne" said Detective Chief Inspector Ceri Hughes.
“We thank the local community for their co-operation during the recent searches.”
Police investigating the disappearance of a Cardiff mother and businesswoman more than 30 years ago are searching her former home and her workplace.
Susanne Llewellyn-Jones was last seen heading to catch a train to London in April 1980.
Now officers have spent the day searching Churchill's Hotel in Llandaff and a house where she lived in the nearby Llantrisant Road.
Police have revealed they are carrying out two property searches in connection with a re-investigation into the disappearance of a Cardiff woman three decades ago.
Susanne Llewellyn-Jones went missing on April 14 1980 when her husband drove her to Cardiff Central Railway Station to catch a train.
She had planned to visit friends in London but it is not known if she ever arrived.
A 68-year-old man from the Vale of Glamorgan has been interviewed in connection with her disappearance after attending Cardiff Bay Police Station voluntarily on November 4.
Police are still appealing for information.
Friends and former employees of the missing Cardiff mother Susanne Llewellyn Jones have spoken of their shock that her disappearance is being re-investigated more than thirty years on.
Today, more details have emerged of the police investigation that is being carried out along with a fresh appeal for information by detectives, as Rob Osborne reports.
The detective leading a new investigation into the disappearance of a Cardiff woman more than thirty years ago has spoken publicly for the first time about the case.
Susanne Llewellyn-Jones was a mother of two who vanished after she was due to catch a train to London.
Nicola Hendy reports.
Nicola Hendy talks to Prof Martin Innes, from Cardiff University's Police Sciences Institute, about the significance of South Wales Police's decision to make a renewed appeal over the disappearance of Cardiff mother-of-two Susanne Llewellyn Jones in 1980.
"A lot of police forces do this quite regularly now" he says.
"There some very famous cases where cold case reviews have resulting in long-term cases being solved, but they're pretty far between actually. It's doesn't happen that often."
"What cold case reviews are about is exploiting new forensic technologies that aren't available to the original investigation.
The second dimension that they try to work with is whether there are any people who at the time knew anything [if] they didn't come forward at the original time"
South Wales Police have released a photo showing what Susanne Llewellyn-Jones might look like today aged 68.
“All outstanding missing person cases remain open and are revisited periodically in case new evidence comes to light" said Detective Chief Inspector Ceri Hughes.
“As part of that process we will assess, re-visit and evaluate all information gathered up until now as well as identifying any potential new lines of enquiry.”
Police are to re-investigate the disappearance of Susanne Llewellyn-Jones, a mother-of-two from Cardiff who was last seen in 1980.
She was last seen on April 4 of that year, when her husband drove her to Cardiff Central Railway Station to catch a train to London.
A police spokesperson said her disappearance was said to be completely out of character.
Mrs Llewellyn-Jones was originally from Leicester. Her maiden name was Grubb, and she had a previous married name of Stubbs and was known to friends as Sue.
South Wales Police say a 68-year-old man from the Vale of Glamorgan has been interviewed in connection with her disappearance after voluntarily attending Cardiff Bay Police Station on November 4.