Analyzing the Offending Activity of Inmates: Trajectories of Offense Seriousness, Escalation, and De-escalation

Document Type

Article

Publication Date

5-2017

School

Criminal Justice, Forensic Science, and Security

Abstract

Purpose

The current study seeks to systematically identify developmental patterns in the seriousness (escalation and de-escalation) of inmate misconduct and the factors that distinguish those patterns.

Methods

Official data from a northwestern state prison system and criminal history files dating between December 1996 and December 2008 yielded an excess of 30,000 inmates. Inmates who served a minimum of three years of continuous custody were included, resulting in a final sample of 8351 inmates.

Results

A group-based trajectory analysis identified three distinct groups of inmates based on their developmental trajectories of offense seriousness: escalators, de-escalators, and statics. A multinomial logistic regression revealed that the rate of prior arrests was the most consistent predictor for each group. Only membership in the static group of misconduct violators was significantly associated with a broad range of predictors, such as age, gender, and custody level. This suggests that variables found to be consistently related prison misconduct in the literature may be not be as successful at predicting other developmental patterns of inmate misconduct.

Conclusions

The trajectory analysis indicates that the inmate population is not homogenous and subgroups of inmates with unique trajectories of misconduct seriousness exist in the inmate population.

Publication Title

Journal of Criminal Justice

Volume

50

First Page

12

Last Page

18

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