A Scotland Yard spokeswoman said investigators were still sifting through information from hundreds of phone calls every day to the incident room.
The pictures were released in the hope they would jog memories and bring more witnesses.
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She went to the mall after leaving her fiancé Dr Alan Farthing's home in nearby Chiswick.
![[ image: width=150]](/olmedia/330000/images/_333682_dando1150.jpg)
The footage shows the 37-year-old wearing a beige raincoat, red button-up jacket, black trousers and boots, and carrying a white carrier bag in her left hand, with a black handbag over her right shoulder.
She first went to buy white A4 fax paper from Ryman's in King Street and then walked to Dixons.
Ms Dando was looking for blue ink cartridge for her fax machine.
Police say she left without finding what she wanted, and may have gone to look for it at another shop.
She then left the mall and drove to her home in Gowan Avenue, Fulham, in her dark blue BMW convertible.
She is known to have called someone on her mobile phone at about 11am, although the nature of her call is not considered to be relevant.
Missing minutes
A witness believes he spotted her driving her BMW towards Fulham along Distillery Road, Hammersmith, which runs parallel to Fulham Palace Road and is known as a short cut.
![[ image: width=150]](/olmedia/330000/images/_333682_dandotwo150.jpg)
But following that, there is a gap in police knowledge of Ms Dando's movements, until she drove into Gowan Avenue from the Munster Road end at about 11.30am.
It is thought that at some point around this time she stopped at another shop to buy two fillets of Dover sole.
Officers appealed for anyone with CCTV cameras pointing towards the road along the route she is thought to have taken to contact them immediately.
Detective Chief Inspector Hamish Campbell said: "These CCTV cameras might be in shops, businesses or residential premises. They may be private security cameras or local authority cameras.
"We are not certain of Miss Dando's precise route from Chiswick to Fulham via Hammersmith, so it's important that anyone who has outward-facing CCTV cameras gets in touch with the incident room."
Officers want to examine footage covering her presumed route, and any taken in the area where the murder suspect and a mystery Range Rover were later seen.
The three stretches they are concerned with are those between Chiswick and Hammersmith, Hammersmith and Gowan Avenue, and Gowan Avenue and Putney Bridge.
Prayers in home village
The photographs were released as churchgoers packed into Ms Dando's old school to remember her.
Almost 300 members of the Milton Baptist Church, where she was baptised in her teens, crammed into the hall of Worle Comprehensive School in her home town of Weston-super-Mare.
The broadcaster had been a member of the church since joining the Sunday School as a child.
Dando 'may have known killer'
(02 May 99 | UK)
Dando police 'examine second murder'
(01 May 99 | UK)
Clues to the Dando murder
(30 Apr 99 | UK)
Police reveal Dando suspect
(30 Apr 99 | UK)
BBC News Online tribute to Jill Dando
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