MURDERED Joanna Yeates' final steps have been reconstructed for television in a bid to catch her killer.
It comes as police revealed she did not eat the pizza she was seen buying on her way home just before she vasnished.
VIDEO: Press the play button to see our video report from the Press Association.
A massive police investigation was launched when 27-year-old boyfriend Greg Reardon reported her missing after he returned to Bristol on December 19 following a weekend away visiting family in Sheffield.
Avon and Somerset Police said tests on Miss Yeates' body concluded she had not eaten the mozzarella, tomato and pesto pizza before she was found dead on Christmas Day three miles from her flat.
Detectives said Miss Yeates had made it home to her flat because her shoes, coat, mobile phone, purse and keys were found there - although the pizza, the wrapping and its box are still missing.
The final steps of the 25-year-old have now been reconstructed for BBC's Crimewatch.
The landscape architect's journey started after leaving BDP where she worked.
She went to the Bristol Ram pub on Park Street in Bristol City centre, where she had Christmas drinks with work colleagues.
Miss Yeates spent around two hours socialising with her friends before leaving at around 8pm to make the 30 minute walk home to the ground floor flat that she shared with Mr Reardon in Canynge Road, Clifton.
She was seen on CCTV in a Waitrose supermarket at the Clifton Triangle and then went to a Tesco Express in Clifton village where she bought the pizza.
During the filming of the reconstruction the actress playing Miss Yeates entered the Tesco Express on Regent Street in Clifton village.
She was wearing the same cream-coloured coat as Miss Yeates was wearing on the night she disappeared.
She also had a black rucksack and was carrying two plastic bags - including a white bag, which held the bottles of cider she bought previously at Bargain Booze, and a black bag of which the contents have not been revealed, but which police say are not significant.
Inside the store the actress was filmed picking up the Tesco Finest mozzarella, tomato and basil pesto pizza and taking it to the till.
The pizza was paid for at a self-service till with a 10 note.
After receiving her change, the actress was finally seen leaving the store and heading up Regent Street towards Miss Yeates's home.
The BBC Crimewatch team spent an hour and a half filming at the Tesco Express before moving to another location to film earlier scenes from Miss Yeates's evening.
It is hoped the film will jog someone's memory who may have seen Miss Yeates as she made her way home on December 17.
The filming comes as Miss Yeates' parents made their first direct appeal since their daughter's body was found on Christmas Day in an icy lane three miles from her flat.
David Yeates, 63, and his 58-year-old wife urged anyone who knew somebody who had reacted strangely to the murder to come forward.
The couple, from Ampfield, Hants, asked: "Do you know someone who has been, somehow, justifying her being killed?
"Please help us identify the killer. Jo was probably acquainted with her killer."
The force has received more than 1,800 lines of inquiry since launching the murder investigation but said key evidence including Miss Yeates's ski sock and the pizza had not been found.
The landscape architect's body was found with one of her grey, knee-length socks missing, and detectives believe the garment may hold the key to solving her murder.
Officers are investigating whether she could have been strangled with her own sock, which her killer might have kept as a trophy.
Detective Chief Inspector Phil Jones, who is leading the murder hunt, said: "We use Crimewatch as an opportunity to refresh the public's memory in relation to Jo's movements on the night she went missing from her home.
"The programme allows us to visually recreate the route home she took with the aim of jogging the memories of those people who may have seen her.
"The reconstruction may also jog the memories of those people who used Longwood Lane in Failand on Friday December 17 or over that weekend and have not come forward.
"This is a valuable opportunity for us to reach out to the nation in their homes."
Miss Yeates snow-covered body was found by dog walkers in Longland Lane, in Failand, North Somerset on Christmas morning.
Police have said there was no evidence Miss Yeates had been sexually assaulted but they have not ruled out a sexual motive.
Miss Yeates's landlord Chris Jefferies, 65, was held for three days for questioning on suspicion of murder before being released on bail.
Anyone with information is asked to contact the Operation Braid incident room on 0845 456 7000 or Crimestoppers on 0800 555 111.
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