This case study, edited by Jaclyn Leaver, is from the Evidence in Governance and Politics (EGAP) Stories of Change series and cross-posted from the EGAP website. The project “Building Trust and Improving Police Effectiveness: A Field Experiment in Urban Liberia” is part of EGAP’s Metaketa IV on community policing. Below are excerpts from the case study. 

The Challenge

Despite more than a decade of police reform, residents of urban Liberia continue to suffer from regular crime and violence. According to the 2015 Afrobarometer survey, 65 percent of urban Liberians reported that they or someone they knew was a victim of theft in the past year, while 35 percent reported that they or someone they knew was physically assaulted . These figures are considerably higher than those for urban, subSaharan Africa overall , and they imply that urban Liberia ranks among subSaharan Africas most crimeridden places to live

Many observers attribute Liberias high rate of crime to a combination of capacity constraints within the Liberian National Police (LNP) and high unemployment among Monrovias urban poor. While these factors are undoubtedly important contributors, they are difficult to address directly, making them illsuited for policy intervention. Another factor often attributed to police ineffectiveness in urban Liberia: the reluctance of citizens to cooperate with the police through activities such as crime reporting, information sharing, and evidence provision. According to 2012 survey data, for example, fewer than half of crimes that occur in urban Liberia are actually reported to the police. Among crimes that are reported , officers of the LNP force often have difficulty investigating due to the reluctance of citizens to provide information. As a result, the vast majority of crimes reported to the police do not result in prosecution.

Can police-community meetings and police foot patrols build public trust?

In settings where mistrust of the police is high, as in urban Monrovia, multiple issues prevent those who would otherwise be willing to assist from doing so. According to survey data, most Monrovians lack knowledge about police procedures. In an environment that discourages working with police, the lack of a secure, anonymous mechanism to share information with the police also contributes to a suboptimal equilibrium. These twin absences make it difficult for the police to prevent crime, reduce misconduct, and build trust. And because underreporting undermines even well resourced police, these barriers hinder the effectiveness of ongoing reforms within the police force, preventing them from reaching their full potential.

Research Design

Recognizing the need to build trust, educate citizens about the criminal justice system, and raise awareness about reforms within the LNP, the Inspector General has made community outreach a top priority. Within Monrovia, each of its 10 precincts now hosts a community relations officer whose main responsibility is to lead community outreach activities and handle requests and complaints from community dwellers. Precinct commanders across the country now hold regular meetings with community leaders and direct streetlevel officers to patrol hotspot neighborhoods on foot

Motivated by the LNPs dedication to community policing, forwardorientation, and openness to collaboration, Ben Morse and Lily Tsai at the Massachusetts Institute of Technology collaborated with the LNPs Community Services Department to standardize the content of outreach activities and evaluate its effectiveness through a randomized controlled trial

The research team worked with officers from each of Monrovias 10 police precincts to identify highcrime communities that would benefit from improved relations with the police. The intervention included three components

1.) Monthly policecommunity townhall meetings 

2.) Semiregular foot patrols where officers interacted directly with citizens to solicit feedback and distribute informational flyers 

3.) Problemoriented policing program in which officers adapted policing strategies based on feedback from citizens


This project examines the impact of community policing on crime, crime reporting, and trust in the police in Monrovia, Liberia. Combining data from a largescale resident survey with crime reporting data from the LNP, the project found that community policing led to modest but meaningful improvements in perceptions of police intentions and capacity, strengthened social norms against vigilantism, and mobilized communities to participate in the polices Watch Foruminitiative by forming and sustaining local security groups. These changes were accompanied by a roughly 40 percent reduction in the incidence of mob violence in treatment communities relative to control communities over a one year period.

270. Number of town hall meetings held across the 45 treatment communities.
40%. Reduced incidence of mob violence by 40 percent

 Despite these improvements, the program did not reduce the overall incident of crime, improve perceptions of security, or increase crime reporting. Specifically, only 13 percent of survey respondents reported seeing police conduct foot patrols in treatment communities. Meanwhile, the number of residents who reported that they had attended a meeting with the police during the intervention period increased by 30 percentage points. These results suggest that townhall meetings were the driving force behind the interventions impacts on the outcomes in this study, rather that police presence (i.e. foot patrols and problemoriented policing). 

Lessons + Impact

Perhaps the most important lesson learned from this study is that policecommunity meetings can have an impact on changing citizensperceptions of the police. In this case, Liberias form of community policing is effective at improving community attitudes towards the police, mobilizing support for community watch forums, and reducing incidences of mob violence and support for vigilantism

While the results are mixed, this research project has impacted the LNPs community policing policies in a substantive way . The Inspector General of the LNP has not only praised the work being carried out by precincts where these programs have been implemented, but has also decided to base his National Policing Strategy on it. The focus, he has said, will be on a conflict sensitive community policing strategy. His community based approach has already provided a major contribution to a peaceful election process during the fall 2017 elections.

Questions for further consideration

As researchers and practitioners continue to study community policing, here are a few questions for further consideration

  • Can community policing be used effectively by new and reconstituted police forces in contexts in which the legitimacy of the state is challenged
  • What are strategies for reducing insecurity between citizens and the police
  • What factors contribute to insecurity between citizens and the police
  • Does community involvement increase police accountability?

(Photo of Monrovia, Liberia by Monica Melton on Unsplash)