By Andrew Eichen

Sanctioned by the courts and taught in police manuals, deceptive tactics are employed by virtually every police department across the country. Officers seeking to elicit a confession will routinely lie to suspects about the evidence and make statements that imply leniency. While effective at times, deception is ethically dubious and can result in severe consequences for suspects. The United States is an outlier in allowing police to deceive suspects, as the practice is prohibited or highly restricted in most peer nations, including England, France, Germany, and Japan. First, deceptive interrogation tactics frequently induce false confessions, which are a leading cause of wrongful convictions in the United States. Further, the acceptability of lying to suspects during interrogations seems to encourage deception in other, more troubling contexts. Research shows that testimonial lies, such as perjury in court and falsifying police reports, are commonly employed by officers to secure convictions and circumvent constitutional protections. While such practices remain illegal, testimonial lies are rarely identified or punished. As a result, the justifications and skills cultivated through deceiving suspects in interrogations naturally bleed over into other police work. Ultimately, the pervasiveness of police deception undermines the integrity and legitimacy of the criminal justice system. It leads to wrongful convictions, weakens civil liberties, and erodes public trust in law enforcement. While there are difficult trade-offs in regulating police deception, its negative consequences require policy responses. Contrary to contentions that deceit is a necessary tool of law enforcement, experiences in other nations suggest that restricting police deception does not hamper criminal investigations. Policymakers should consider measures to curtail police deception, such as requiring that interrogations be recorded, banning or limiting certain deceptive tactics, and increasing judicial scrutiny of interrogation practices

Cato Policy Analysis, no. 979, Washington, DC: Cato Institute, 2024. 32p.

By Police Executive Research Forum (PERF)

The COPS Office and the National Highway Traffic Safety Administration (NHTSA) collaborated with the Police Executive Research Forum to develop this resource to help law enforcement agencies manage the risks of conducting and not conducting vehicular pursuits. This guide uses findings from NHTSA research and other credible institutions on crashes and collisions involving police pursuits as well as focus group discussions and review of 48 agencies’ policies to provide safety information and model policies to encourage the development of safer vehicular pursuits. It includes 65 recommendations that agencies of all sizes and circumstances can consider to develop or refine their vehicular pursuit policies.

Washington, DC: Office of Community Oriented Policing Services.2023. 160p.

By Heather Wolbers, Christopher Dowling, Timothy Cubitt and Chante Kuhn

This paper reviews available research on how the internet facilitates radicalisation and measures to prevent it. It briefly canvasses evidence on the extent to which the internet contributes to radicalisation broadly, and who is most susceptible to its influence, before delving further into the mechanisms underpinning the relationship between the internet and violent extremism.

High-level approaches to combating internet-facilitated radicalisation, including content removal, account suspensions, reducing anonymity, and counternarrative and education campaigns, are mapped against these mechanisms. This illustrates how these approaches can disrupt radicalisation and assists researchers, policymakers and practitioners to identify potential gaps in existing counterterrorism and countering violent extremism regimes. Research on the implementation and outcomes of these approaches is also summarised.

Trends & issues in crime and criminal justice no. 673.  Canberra: Australian Institute of Criminology. 2023. 17p.

By National Academies of Sciences, Engineering, and Medicine.

Injury and death from use of excessive force by police officers remain a common concern in countries across the globe. Despite local, national, and international attempts to legislate and provide guidance for police use of force, there continue to be global accounts of excessive force by law enforcement. Reports of officer-involved killings, injuries to citizens, and attempts to control protests and demonstrations with chemical irritants, rubber bullets, and sometimes shooting into crowds with live ammunition frequently appear in the press worldwide. However, reliable data on and accounting for these incidents are both lacking.

Policies and Practices to Minimize Police Use of Force Internationally, the third in a series of five reports produced for INL, addresses what policies and practices for police use of force are effective in promoting the rule of law and protecting the population (including the officers themselves). This report looks at what is known about effective practices and their implementation and identifies promising actions to be taken by international donors in their efforts to strengthen the effectiveness of law enforcement agencies.

Washington, DC: National Academies Press, 2022. 84p.