The search for the mother-of-two has now been ongoing for two weeks, as police work on the hypothesis that she may have fallen into the River Wyre while walking her springer spaniel on January 27.
The Talking True Crime team will be hosting a special podcast at 1.30pm today, with Mark Williams Thomas speaking to a Lancashire Telegraph reporter live at the scene.
The Talking True Crime podcast sees Mr Williams Thomas, a former detective and star of Netflix’s The Investigator, provide insight on the UK’s biggest crime and missing person cases.
It comes as friends of Ms Bulley gather for another roadside appeal two weeks on from her disappearance.
Members of the local community will stand by the road in the Lancashire village of St Michael’s on Wyre with banners and placards featuring her photograph, in a plea to “bring Nikki home”.
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Nicola Bulley: A timeline
Search teams from Lancashire Constabulary are continuing to trawl the river near St Michael’s, working on the hypothesis that the 45-year-old mortgage adviser, from nearby Inskip, could have fallen in.
The 45-year-old dropped her daughters – aged six and nine – off at school in the morning before walking her dog, Willow, in St Michael’s on Wyre, Lancashire.
Lancashire Police have said the mortgage adviser, from nearby Inskip, had been walking along a path beside the River Wyre just before 9am.
She was seen by a dog walker who knew her at around 8.50am, and their pets interacted briefly before they parted ways, according to the force.
At 8.53am, Ms Bulley sent an email to her boss, before logging on to a Microsoft Teams call at 9.01am.
She was seen by a second witness at 9.10am – the last known sighting.
By 9.30am, Ms Bulley’s Teams call had ended, but her phone stayed connected to the call.
Approximately five minutes later, another dog walker found her phone on a bench beside the river, with Willow darting between the two.
At 10.50am, Ms Bulley’s family and the school attended by her children were told about her disappearance.
Lancashire Constabulary launched an investigation into Ms Bulley’s whereabouts on the same day and appealed for witnesses to contact them.
Lancashire Constabulary deployed drones, helicopters and police search dogs as part of the major missing person operation.
They were assisted by Lancashire Fire and Rescue Service, as well as Bowland Pennine Mountain Rescue team and the North West Underwater Search Team.
Local residents held a meeting at the village hall to organise a search for Ms Bulley at 10.30am on Sunday, according to reports from The Mirror, and around 100 people joined the search.
Police urged volunteers to exercise caution, describing the river and its banks as “extremely dangerous” and saying that activity in these areas presented “a genuine risk to the public”.
Superintendent Sally Riley from Lancashire Constabulary said police were “keeping a really open mind about what could have happened”, and that they were not treating Ms Bulley’s disappearance as suspicious.
Lancashire Constabulary spoke with a potential witness – a man who had been walking a small white fluffy dog near the River Wyre at the time of Ms Bulley’s disappearance.
Her family released a statement saying they had been “overwhelmed by the support” in their community, and that her daughters were “desperate to have their mummy back home safe”.
Ms Bulley’s parents, Ernest and Dot Bulley, spoke to The Mirror about the “horror” they faced over the possibility of never seeing her again.
Her father told the newspaper: “We just dread to think we will never see her again, if the worst came to the worst and she was never found, how will we deal with that for the rest of our lives.”
Lancashire Constabulary spoke with a second witness who they had identified with the help of the public using CCTV – but they told police they did not have any further information to aid their inquiry.
Officers from the North West Police Underwater and Marine support unit searched the area close to where Ms Bulley’s mobile phone was found, while police divers scoured the River Wyre.
Meanwhile, Ms Bulley’s family appealed to the public for help tracing her.
Speaking with Sky News, her sister Louise Cunningham said: “There has got to be somebody who knows something and all we are asking is, no matter how small or big, if there is anything you remember that doesn’t seem right, then please reach out to the police.
“Get in touch and get my sister back.”
Ms Bulley’s father said his family hoped their interview would “spark a light” that would lead to her being found.
Lancashire Police said they were working on the hypothesis that Ms Bulley may have fallen into the River Wyre.
Superintendent Sally Riley urged against speculation, but said it was “possible” that an “issue” with Ms Bulley’s dog may have led her to the water’s edge.
She urged the public to look out for items of clothing Ms Bulley was last seen wearing, and gave an extensive list.
Ms Bulley’s friends also shared heartfelt appeals via television interviews, including Emma White, who told the BBC that Ms Bulley’s daughters were continually asking where she was.