JHASS

Article http://dx.doi.org/10.26855/jhass.2025.10.009

A Practical Study on the Investigation and Case Linkage of Serial Contract Fraud Crimes

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Jia He1,*, Jian Li2

1Hulunbuir University, Hulunbuir 021009, Inner Mongolia, China.

2Hulunbuir Public Security Bureau, Hulunbuir 021009, Inner Mongolia, China.

*Corresponding author: Jia He

Published: November 4,2025

Abstract

Serial contract fraud cases refer to crimes where the same or associated perpetrators repeatedly commit offenses against different victims using similar methods, exhibiting significant serial characteristics. The essence of such crimes lies in the perpetrator’s subjective intent for illegal possession, objectively manifested by using contracts to defraud property and disrupt market order. Common types of these crimes include work contract fraud, intermediary contract fraud, mortgage and guarantee contract fraud, lease contract fraud, franchise and concession fraud, and sales contract fraud. The core of the investigation is case linkage, carried out by combining “case-to-case linkage” and “person-to-case linkage.” The conditions for linkage depend on both hardware and software elements, with the latter becoming more critical due to enhanced counter-surveillance capabilities. Under informationalized conditions, police big data platforms can be leveraged to achieve efficient linkage: by deeply analyzing individual cases, extracting key features, using multi-source data collision for “horizontal” and “vertical” association, and coordinating with internal and external network platforms to appropriately publicize case details to expand the sources of clues. Linkage efforts need to break through the limitations of a single criminal charge, connecting derivative crimes such as money laundering and illegal business operations, to form a combined force that “solves one case to unravel a series.”

Keywords

Serial Cases; Contract Fraud; Case Linkage

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How to cite this paper

A Practical Study on the Investigation and Case Linkage of Serial Contract Fraud Crimes

How to cite this paper: Jia He, Jian Li. (2025) A Practical Study on the Investigation and Case Linkage of Serial Contract Fraud Crimes. Journal of Humanities, Arts and Social Science9(10), 1891-1897.

DOI: http://dx.doi.org/10.26855/jhass.2025.10.009