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The government’s reactivation of Operation Safeguard, an emergency measure allowing prisoners to be housed in police custody, signals a criminal justice system dangerously close to breaking point. Brought in to deal with overcrowding across the prison estate, what was once a temporary backstop is fast becoming routine. And it’s the police who are left absorbing the strain.
Custody suites were never built to function as mini prisons. Yet, with the prison population now exceeding 99% capacity and new facilities still in development, officers are increasingly being asked to oversee long-term detainees alongside their core duties. Quietly rolled out and little understood outside the service, this operational shift carries real consequences – legal, logistical, and reputational.
Stretching the thin blue line
The pressure on frontline policing is already tangible. Police custody is designed for short-term detention: a place to hold individuals before interview, charge, or transfer, not for accommodating those who have been sentenced or remanded. Managing these prisoners places added demands on officers, particularly when detainees need enhanced supervision, safeguarding, or separation from others.
This isn’t just a matter of staff numbers. It’s about skills and purpose. Police officers are not trained, and should not be expected, to operate as de facto prison staff. Their role lies in investigating crime and protecting the public. Asking them to take on custodial supervision dilutes that focus, erodes capacity, and raises questions about where policing ends and prison care begins.
Legal risks and procedural compliance
From a legal standpoint, the risks are growing. Using police cells to house sentenced or remanded individuals raises serious concerns under Article 3 of the European Convention on Human Rights, which prohibits inhumane or degrading treatment.
Many custody environments simply aren’t equipped for prolonged stays. Issues like access to fresh air, proper medical care, and religious or dietary needs aren’t fringe concerns, they’re legal obligations. If these standards can’t be met, it’s only a matter of time before we see litigation. Inquests, judicial reviews, or compensation claims could follow, particularly in cases involving harm or deaths in custody.
The knock-on effects are already being felt in the legal process. Delays to solicitor visits, court hearings and interviews are becoming more common, particularly in areas where custody capacity is already under strain. These disruptions don’t just affect detainees, they clog up the entire criminal justice pipeline, from police investigations through to the courts.
Claims exposure: a growing liability
Police forces are also facing a rise in civil claims. If a detainee is harmed, physically or mentally, because proper care couldn’t be provided in a custody suite, forces could be exposed to claims of negligence or unlawful detention.
The financial and reputational cost of such claims is significant. For already stretched forces, many of whom are working without dedicated budget increases to support Operation Safeguard, this presents a serious challenge. Risk management teams are now dealing with liabilities they were never meant to shoulder, and often without clear guidance from the centre on where the line of accountability sits between police and prison services.
Broader implications for policing and public trust
This policy shift doesn’t exist in isolation. It fits a broader trend where the police are expected to step in when other public services can’t. Officers are already responding to mental health crises, vulnerable adults without social care support, and people facing housing instability. Now they’re stepping into the breach for an overloaded prison system.
The danger is that this becomes normalised. Once a stopgap becomes embedded in routine practice, it gets harder to roll back. Over time, the line between policing and penal supervision blurs. That has implications not just for operations but for public trust. People expect police officers to be solving crimes, protecting communities, and responding to emergencies, not managing sentenced prisoners in makeshift conditions.
Time for clear boundaries and a planned exit
To prevent Operation Safeguard from becoming a permanent fixture, urgent action is needed on several fronts.
First, we need legal clarity. Forces must have clear, statutory guidance on what their responsibilities are when holding prisoners under Safeguard, and where those responsibilities end. Officers cannot be expected to operate in legal grey zones, particularly when the stakes are high.
Second, resourcing must match responsibility. If police are being asked to take on this burden, they need proper funding, improved facilities, and training that reflects the complexities of extended detention and vulnerable detainees. Anything less puts both detainees and officers at risk.
And third, there must be a visible, time-bound exit strategy. Operation Safeguard cannot be allowed to drift into permanence. The government must set out how long the measure is intended to run, how it will be monitored, and what steps are being taken to reduce prison pressure at the source. That means data – how many prisoners are being held in police cells, for how long, and where, and it means policy: investment in prison infrastructure, reform of sentencing practices, and alternatives to custody where appropriate.
Operation Safeguard exposes deep vulnerabilities in the justice system, but it’s police officers who are bearing the weight. Without clear limits, sufficient support, and a plan to restore balance, this emergency measure risks becoming yet another pressure point in a system already under strain.
The question isn’t whether police can fill the gap, it’s whether they should. And if they must, for how long?
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