Jurors today were taken to visit the remote area where Emma Caldwell was allegedly murdered.
They were ferried by mini-bus on the 41-mile journey from the High Court in Glasgow to Limefield Woods in Biggar, South Lanarkshire.
A convoy of 10 police motorcycles escorted the jury to the site as they left around 10.30am.
Murder suspect Iain Packer along with judge Lord Beckett, lawyers in the case and other court and security staff also joined the visit.
Packer, 51, denies a total of 46 charges involving multiple women and including the murder of 27-year-old Miss Caldwell - a sex worker - on April 5 2005.
Before leaving, Lord Beckett told jurors they were not to take "the role of detectives or investigators" while at Limefield.
He laid out what he described as "ground rules" for the trip.
The judge: "You will visit the area of Limefield Woods where the body of Miss Caldwell was found.
"The purpose of it is to allow you to see the location and see features along the roads that you have heard about.
"You may find, that having been to the woods, it will aid your understanding for some of the evidence and what can be inferred from what you have heard."
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They were also handed an A4 map of the area before leaving.
But, Lord Beckett urged jurors that evidence in the case had not yet been completed and that they must not reach a "final judgement" at this time.
The trial this week heard from dog walker Neil Borland who had found the body of Miss Caldwell while out with his labrador Gigha on May 8, 2005.
The 54-year-old described her as lying "face down" between lines of trees and was "unclothed".
He said there was a "garrotte" around her neck.
Last week, jurors heard that one woman took a "panic attack" after directing police back to the woods where Miss Caldwell was allegedly killed.
The sex worker went with detectives in a bid to show them the spot where a man she identified as Packer had previously driven her.
They went on the M8 motorway and then the M74 where they stayed on for 45 minutes to an hour.
The woman and the officers eventually stopped "down quite remote countryside".
She was described by then as getting "more hysterical" and seemed "terrified" when they got there.
The trial continues.
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