Page last updated at 17:44 GMT, Friday, 21 May 2010 18:44 UK

Man questioned in Suzanne Pilley murder hunt

David Gilroy leaves his house in Silverknowes with a police detective
David Gilroy left his house in Silverknowes with a police detective

A man has spoken to police in Edinburgh about the suspected murder of 38-year-old bookkeeper Suzanne Pilley.

David Gilroy, 47, had an affair with colleague Ms Pilley, who disappeared on 4 May. She was last seen making her way to work in Thistle Street.

Detectives have been searching a forest in Argyll for her body.

Mr Gilroy answered questions voluntarily and was not arrested. Afterwards he said "time will show that I don't have anything to answer to".

He denied any knowledge of suggestions she may have been murdered and said he was "not aware" he had a motive for killing Ms Pilley, who he last saw about four weeks ago.

'Relationship ended'

Mr Gilroy said: "Suzanne and I had a relationship until January of this year when I moved back to the family home with my wife and children and that's when the relationship ended."

He said the last time he saw Ms Pilley they "purely had a discussion about returning some other property of mine and about me continuing help with completing her flat, which I had been doing as a friend".

Police want to hear from anyone who saw a silver family car, which is understood to have now been recovered by the police, in the central part of the Argyll Forest, including the Rest and Be Thankful area, on 5 May.

They believe Ms Pilley's body may have been dumped in the area.

Suzanne Pilley
Suzanne Pilley was last seen the day before the general election

The Lothian and Borders force earlier said that the discovery that Ms Pilley had made it to work led them to change their inquiry from a missing person search to a murder investigation.

Officers now believe she was killed on the day she vanished and that her body could have been dumped in a remote part of the Forest of Argyll the following day.

Officers are conducting "scoping" exercises in an area covering some 400 sq miles, stretching from Tyndrum to Inverary and the Argyll Forest.

They have also been trying to pinpoint possible locations by tracing sightings of a silver car on remote roads and forest tracks in the area.

They have asked for people to come forward who may have seen the car between 1300 and 1530 BST and between 1900 and 2100 BST on 5 May, the day before the general election.

'Good response'

Neighbours in Silverknowes Brae, where Mr Gilroy lives, said he has a silver car.

A Lothian and Borders Police spokesman said: "We have had a good response from the public to our appeal for information regarding the movements of a silver-coloured car, and would like to thank the public for such a positive response.

"We are now sifting through the information we have received so far and will follow up on every call that we have taken in due course.

"We would still appreciate information from anyone who has not yet come forward, and would ask they call us immediately if they think they might know something that could help."

Ms Pilley's parents, Robert and Sylvia, said they suspected something "sinister" had happened to her.

On the day she went missing she was wearing a light-blue waterproof jacket, red fleece top, light-blue trousers or jeans, trainers and was carrying a shoulder bag and a water bottle.

Efforts to trace Infrastructure Managers employee Ms Pilley have included a huge screen positioned in St Andrew Square, which displayed CCTV footage of her on the way to her office.

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