The family of murdered prostitute Emma Caldwell has urged people to come forward and help track down her killer.
The 27-year-old's body was found last Sunday in woods near Biggar, South Lanarkshire, after her disappearance from Glasgow at the start of April.
The police have issued an appeal to speak to two people seen talking with Emma on the night she vanished.
Her family urged anyone with any information about her death to contact the police immediately.
Emma had become a heroin addict following the death of her sister some years before and was working as a prostitute on the streets of Glasgow.
"We did everything we could to help Emma through the difficult times she was experiencing in her life, and we can't believe anybody would be so cruel as to do this to her"
She was last seen in the Govanhill area of the city where she had been staying at a local women's hostel.
Emma was spotted walking alone along Butterbiggins Road, towards Victoria Road, at about 2300 BST on 4 April and was not seen again until her body turned up on Sunday, 8 May.
She was found by a member of the public in woods near Kilnpotlees, Roberton, at about 1300 BST. Investigating officers believe she almost certainly died very soon after the last sighting of her last month.
The statement from Emma's family, released by the force on Saturday, spoke of their love for her.
It read: "Emma was a very special girl, who was loved by all her family and who is terribly missed by everyone - particularly by her mother and father.
"We are all completely heartbroken. We did everything we could to help Emma through the difficult times she was experiencing in her life, and we can't believe anybody would be so cruel as to do this to her.
"We would urge anyone who knows anything at all about Emma and what has happened to her to contact the police immediately."
Black Cab 'stalker'
Meanwhile, friends of Emma believe she was being stalked by a Black Cab driver leading up to her death.
They revealed in a press report that she had even changed her regular street patch to escape his attention.
Anne Wallace, who runs the Salt and Light support group for prostitutes in Glasgow and was in contact with Emma during her time on the streets, said: "There was something frightening her because I saw a dramatic change in Emma leading up to the couple of months before Emma died.
"She became very, very gaunt and very withdrawn."
Strathclyde Police issued their appeal for the two people to come forward after examining CCTV footage.
The film appears to show Emma speaking to the duo after they approached her in Inglefield Street at about 2250 BST on the night she disappeared.
The officer in charge of the investigation, Detective Superintendent Willie Johnston, said: "We know that one of these individuals is an adult male who was wearing dark-coloured trousers, a distinctive long-sleeved light and dark-coloured hooped top and light-coloured shoes.
"The other person was wearing dark clothing."
The closed-circuit images showed Emma continued to walk alone, past the two individuals, towards nearby Butterbiggins Road.
The two people carried on towards the street's Inglefield Hostel, where Emma lived at the time, but did not enter the premises.
Det Supt Johnston added: "A short time later, at about 2300 BST, the two were seen walking along Inglefield Street in the direction of Butterbiggins Road.
"I would urge these two individuals to come forward immediately as they may have vital information that will assist this investigation."
On Sunday, the force announced plans to distribute 1,000 posters around its key investigation sites.
Officers hope they will help jog the memories of members of the public who may be to assist with their inquiries.
Anyone who was in the area around that time should contact the incident room at Cathcart Police Office on 0141 532 4943 or 0141 532 4944 or contact Crimestoppers on 0800 555 111.
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