READERS will be familiar with missing persons appeals – scarcely a week goes by without the Free Press publishing stories about someone who has disppeared in the area.

Nationally, police in the UK record more than 300,000 missing‑person incidents a year – the equivalent of around 800 reports every day – with most people found safe and well within 24 hours. For a smaller number of families, though, the wait is longer, the risk is higher and the outcome is far from certain.

Now Thames Valley Police has opened up about what happens behind the scenes when someone is reported missing, in a detailed interview with Acting Supervisor Samuel Childerley, from the force’s specialist Missing Investigation Support Team (MIST).

From the moment a call comes in to the point a person is located and reunited with their loved ones, the process is far from simple – involving intensive risk assessments, constant re‑evaluation and close work with social care and other agencies.

Samuel’s team supports local officers with the most complex, high‑risk and long‑term cases, bringing extra oversight, specialist knowledge and fresh lines of enquiry to keep investigations moving.

“My role involves reviewing and triaging live cases, directing activity and maintaining clear oversight to ensure investigations remain active, focused and purposeful,” he said.

“We bring in‑depth knowledge of missing person investigations, identify new opportunities and challenge any gaps. But crucially, we make sure we keep the missing person and their family at the centre of everything we do.”

A typical shift for Samuel starts – after a quick coffee – with a review of every live missing person case across the force area. Each one is assessed for risk and vulnerability before priorities are set for the day.

“I prioritise based on risk, vulnerability and where we can have the greatest impact,” he said. “Missing children are often the key focus, but we also look at complexity and where directing activity will most effectively progress an investigation.”

“A missing episode is often a symptom of wider vulnerability, including hidden harm and risks such as exploitation or criminality. That’s why it’s vital we don’t just treat it as someone not being where they should be – we look at the bigger picture.”

His team deals with a wide range of cases, from children who repeatedly go missing from care, to vulnerable adults, to long‑term investigations where families have been waiting months or even years for answers.

One of the biggest challenges, Samuel says, is decision‑making when information is limited or constantly changing.

“Information is often evolving by the minute,” he explained. “Maintaining momentum – particularly in long‑term cases – is critical to ensuring investigations remain meaningful. Families need to know that their loved one hasn’t been forgotten.”

To help keep cases moving, MIST leads a daily briefing with Children’s Social Care, allowing fast‑time information sharing and ensuring all agencies have a clear, shared understanding of each case and the risks involved.

Samuel, who previously worked in recruitment, joined the team after seeking a public‑service role where he could “make a tangible difference”, and has since progressed into a supervisory position.

He admits the work can be fast‑paced and emotionally demanding for the officers he manages.

“To support the team, I maintain regular contact, provide clear direction and recognise the pressures they’re under,” he said. “Creating an environment where people feel supported, while still making sound decisions, is essential.”

Despite the pressure, there are moments that make it all worthwhile.

“The most rewarding part of the role is locating a missing person safe and well, and knowing that our work has directly contributed to that outcome,” he said.

“Receiving feedback from a family following a positive outcome is something that really stays with you. It reinforces the importance of persistence and maintaining focus in every investigation.”

Samuel believes many people would be surprised by the level of coordination that goes on out of public sight when someone goes missing.

“There are a huge number of enquiries progressing behind the scenes, and a lot of coordination across partner agencies, to move investigations forward,” he said.

“What motivates me each day is knowing that, for many people, reporting someone missing may be their first experience of the police – and how we respond truly matters. Being able to safeguard vulnerable people and make a difference is what drives me.”

Thames Valley Police says the work of Samuel and the wider MIST team is crucial in driving investigations forward and supporting those who need it most – working on the principle that every missing person matters, and every opportunity to find them is pursued.

Learn more about Samuel's role and other career opportunities at Thames Valley Police by visiting https://tvpcareers.co.uk/meet-sam-supporting-missing-person-investigation.