Efficiency of judicial police in Ananindeua-Pará: analysis of homicide investigations in the context of Operation Anonymous.

Authors

DOI:

https://doi.org/10.17564/2316-3801.2026v13n1p67-82

Abstract

The principle of efficiency imposes on Civil Police forces the obligation to pursue quality standards and tangible results. In this sense, homicide investigations reveal the capacity of law enforcement agencies to control one of the most severe manifestations of social violence. Thus, this article aims to evaluate the efficiency of the response of the Pará State Civil Police to homicides, based on the analysis of police inquiries within the context of Operation Anonymous, carried out by the specialized units of the Pará Civil Police in 2019 and 2020 as a strategy to repress private militias. Regarding methodology, this is an applied, quantitative, exploratory, descriptive, and documentary research. The locus of investigation is the municipality of Ananindeua, located in the Metropolitan Region of Belém, state of Pará, Amazon, Brazil, within the analytical framework of the police operation. As a method, exploratory analysis of descriptive statistics was adopted, along with an assessment of police efficiency through a comparative analysis between police units, using two indicators: the Completion Rate, which measures investigative effort, and the Completion Rate with Identified Perpetrator, which measures elucidative outcomes. As for the results, the research revealed a scenario of inefficiency in homicide investigations, despite Operation Anonymous having contributed to a reduction in homicide occurrences during the same period. The police units were more focused on the effort to close cases than on clarifying the homicides. Finally, the study highlights the need to increase resources for police units, as well as to adopt more qualified repression strategies.

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Author Biographies

Welton Igor Silva da Silva, Universidade Federal do Pará

Master’s degree in Public Security from the Federal University of Pará. Specialist in Human Rights from the Catholic University of Brasília. Bachelor’s degrees in Law and in History, both from the Federal University of Pará. Civil Police Clerk in the State of Pará.

Silvia dos Santos de Almeida, Federal University of Pará

PhD in Production Engineering from the Federal University of Santa Catarina. Master’s degree in Statistics from the Federal University of Pernambuco. Bachelor’s degree in Statistics from the Federal University of Pará. Full Professor in the Graduate Program in Public Security at the Federal University of Pará.

Ingrid Sousa Domingues, Federal University of Pará

Master’s degree in Political Science from the Federal University of Pará. Specialist in Tax Law. Bachelor’s degree in Law from the Federal University of Pará. Professor at the Maurício de Nassau University Center, Education Technician at the Federal University of Pará, and Lawyer.

Published

2026-04-24

How to Cite

Silva, W. I. S. da, Almeida, S. dos S. de, & Domingues, I. S. (2026). Efficiency of judicial police in Ananindeua-Pará: analysis of homicide investigations in the context of Operation Anonymous. Interfaces Científicas - Humanas E Sociais, 13(1), 67–82. https://doi.org/10.17564/2316-3801.2026v13n1p67-82