Frontline Innovation: The Power of Digital in Missing Persons Investigations

This paper written in partnership with Locate International explores the systemic and operational challenges in long-term missing person investigations in the UK, highlighting the transformative potential of digital data and technology. It draws on recent doctoral research by Mark Greenhalgh, CEO of Locate International, and outlines how partnerships, training, and digital tools can improve investigative outcomes.

Key Takeaways 

Scale and Strain of Missing Person Investigations 

• Over 170,000 individuals are reported missing annually in the UK. 

• Investigations consume 3 million policing hours each year. 

• 52% of police forces lack dedicated missing person units. 

• 86% of officers say caseload volume undermines investigative quality. 

Digital data is critical 

• All crimes now have a digital element. 

• The NPCC Digital Strategy 2025–2030 urges investment in digital leadership and capabilities. 

• Embracing data-driven approaches can shift investigations from reactive to proactive. 

• Communication data records and other digital data sources  help to understand movements and last known locations of missing people to help identify new lines of enquiry. 

• Early digital engagement (within 24–48 hours) is critical for effective investigations. 

Training and technology 

• Utilising technology like CSAS and CSAS Find help investigators to process, analyse and present digital data to an evidential standard helping investigators make faster and more informed decisions in time-critical investigations 

• Integrating these tools into investigative workflows help police forces streamline existing processes, uncover insights faster, and make more informed decisions. 

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