The footage shows the pair buying items at a service station
CCTV footage of nine-year-old murder victim Stacey Lawrence and her suspected killer, filmed hours before her death, has been released.
Stacey, from West Bromwich in the West Midlands, was found strangled in a lorry off the A605 at Warmington in Nothamptonshire on Saturday afternoon.
Lorry driver Darren Walker, 40, Stacey's mother's boyfriend, was found hanged in woods nearby.
The CCTV shows the two at Eye service station on the A47 near Peterborough.
Stacey Lawrence travelled with Darren Walker in his lorry
The footage shows them buying items at the service station.
Earlier Det Ch Insp Tricia Kirk said several women who had been in a relationship with Mr Walker had responded to an appeal made by police and were now helping them with their inquiries.
She said the general picture emerging was that of Mr Walker as a family man with "one or two" incidents or episodes of domestic violence.
"I have already said there is no evidence to suggest that Stacey was subjected to a serious sexual assault before she died but I believe some sexual touching did take place," she added.
"I am still waiting for the results of forensic tests which I hope will help me establish a fuller picture of what took place on Friday evening."
Darren Walker was in a long-term relationship with Stacey's mother
Mr Walker worked as a lorry driver for wholesale distribution firm AF Blakemore and Son, which delivers goods to Spar shops across the Midlands from a depot in Willenhall, West Midlands.
Stacey had accompanied him on a trip to make deliveries in East Anglia.
The vehicle left the depot in the early hours of Friday and headed for Great Yarmouth in Norfolk.
After making deliveries to Spar stores in the county, it was returning to the West Midlands when it stopped just outside Peterborough at about 1500 BST.
It arrived in the lay-by in nearby Warmington shortly after 1535 BST.
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