Drug diversion schemes cut reoffending rates more than prosecution, study says

Drug Diversion Programs Outperform Prosecution in Reducing Recidivism, Study Reveals

Drug diversion schemes cut reoffending rates - Recent research indicates that police-led drug diversion programs, which redirect offenders into treatment and education instead of criminal prosecution, are more effective in lowering reoffending rates than traditional legal approaches. The findings, published in a new analysis, were based on a comprehensive study spanning four years and involving 13 English police forces, with data collected from over 62,000 criminal incidents. The study revealed that individuals who participated in decriminalization-style diversion schemes had a 33% lower chance of committing further offenses compared to those who were prosecuted for drug possession. This result underscores the potential of alternative strategies to address the root causes of drug-related crime while reducing the burden on the justice system.

Decriminalization as a Solution

Drug diversion initiatives, which have gained traction in several English police forces, offer a pathway for offenders to avoid incarceration and engage with rehabilitative services. Notable examples include the Durham, West Midlands, and Thames Valley police forces, which have implemented formal diversion programs. These schemes typically involve offering eligible individuals alternatives such as community service, counseling, or education, rather than charging them with criminal offenses. However, despite their promise, many forces still maintain a law-and-order stance, even if they do not frequently send offenders to prison for simple possession crimes.

“Recent evidence strongly supports the idea that diversion programs can significantly reduce reoffending rates,” said Prof Alex Stevens, acting director of the University of Sheffield’s Centre for Criminological Research, who spearheaded the study. “This suggests that police forces can confidently expand such initiatives nationwide.”

The research, supported by the Cabinet Office’s evaluation accelerator fund, highlights the need for a shift in how drug offenses are handled. By redirecting cases away from prosecution, these programs aim to address both the immediate consequences of criminal behavior and the long-term factors contributing to it. Commander Alison Heydari, the NPCC lead for out-of-court resolutions (OOCRs), emphasized that the study demonstrates the effectiveness of diversion in preventing repeat offenses. “The ‘national OOCR strategy’ reflects a commitment to ensuring that eligible individuals receive appropriate alternatives to prosecution, which can foster stronger, healthier communities,” she stated.

Challenges in Implementation

Despite the promising data, the study found that diversion is underutilized, even in forces with established programs. Only a minority of eligible cases were diverted, as officers opted not to apply the schemes for various reasons. “This underuse is a missed opportunity to reduce costs and ease pressure on the courts,” Stevens noted. “It requires clear leadership, proper training, and a cultural shift at the grassroots level.”

Stevens, who resigned from the government’s expert advisory council on drugs in 2019 due to concerns over political vetting of candidates, argued that the current approach to drug enforcement is too rigid. “Diversion schemes are a critical step toward reducing criminalization, but they are still a modest policy initiative compared to full decriminalization or legal regulation models seen in Europe and North America,” he added. “Britain lags behind in drug policy, and this study provides a foundation for change.”

Disparities in Diversion Rates

The report also pointed to systemic inequalities in the application of diversion programs. It found that individuals in the most deprived neighborhoods were disproportionately targeted by police and less likely to be diverted, even for similar offenses. Additionally, black people were found to be less frequently diverted than white individuals, raising concerns about racial disparities in drug enforcement. Prof Kojo Koram, from Loughborough University’s law school and author of *The Next Fix: The Winners and Losers in the Future of Drugs*, highlighted these trends. “From stop-and-search to sentencing, black and minority ethnic groups face higher rates of punishment for comparable drug use, despite similar levels of involvement,” he explained. “Diversion is a vital first step in addressing these inequalities, but it needs to be scaled up to make a meaningful impact.”

“Diversion schemes are a first step toward moving people away from criminalisation, and clearly needed when we look at our overcrowded prisons,” Koram added. “However, they remain a relatively tame policy compared to the broader reforms seen in other parts of the world.”

Potential for Expansion and Innovation

Jason Kew, a former DCI at Thames Valley police who designed its pre-arrest drug diversion scheme, stressed the importance of embedding these programs into standard practice. “Forces that fully adopt diversion can go further by creating tailored pathways for specific groups, such as women,” Kew said, now a senior practice specialist at the Centre for Justice Innovation. “This would not only reduce the number of women in custody but also prevent children from being drawn into the criminal justice system.”

Kew’s comments reflect a broader vision for the future of drug policy. He noted that the question is no longer whether diversion works, but rather how aggressively it can be implemented. “The evidence is clear: diversion reduces reoffending and promotes equity. The challenge lies in making it a priority across the entire law enforcement system,” he said.

Implications for Drug Policy

The study’s findings align with earlier critiques of the UK’s approach to drug enforcement. In 2017, a Home Office report acknowledged a lack of robust evidence supporting the effectiveness of prosecution as a deterrent for drug use. “There is, in general, a lack of strong data on whether capture and punishment serve as a deterrent for drug offenses,” the report stated at the time. This gap in evidence has now been addressed by the recent analysis, which provides a compelling case for the benefits of diversion.

Steve Rolles, a senior policy analyst at the Transform Drug Policy Foundation, commented on the study’s relevance. “Diversion feels like a government initiative to soften the impact of drug enforcement, but it’s also a practical tool for addressing the problem,” he said. “The key is ensuring it is applied consistently and fairly, especially in communities where it is most needed.”

The research highlights the importance of policy innovation in the face of growing prison overcrowding and rising reoffending rates. As the UK continues to grapple with the consequences of its punitive drug laws, diversion programs offer a promising alternative. However, their success depends on sustained investment, training, and a willingness to prioritize rehabilitation over punishment. With the support of the National Police Chiefs’ Council and the College of Policing, the hope is that these schemes will become a standard part of law enforcement practices, ultimately creating a more equitable and effective system for tackling drug-related crime.

The findings also suggest a need for broader systemic changes. While diversion programs address immediate outcomes, they must be complemented by policies that tackle the socioeconomic factors driving drug use. Koram emphasized that the UK’s current approach is reactive rather than proactive, leaving marginalized communities disproportionately affected. “Diversion is a start, but we need to think about long-term solutions,” he said. “This includes legal reform, better access to treatment, and addressing the root causes of addiction.”

As police forces across England consider expanding their use of diversion, the study serves as a catalyst for rethinking how drug offenses are handled. With the potential to reduce recidivism, lower costs, and promote fairness, these programs could mark a turning point in the UK’s drug policy. The challenge now is to translate this evidence into action, ensuring that all eligible individuals benefit from the opportunities diversion schemes provide.