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The Longitudinal Examination of Victimization Experiences of Latinos (LEVEL) study surveyed Latino adults from four major cities across the United States to evaluate the past-year incidence and prevalence of bias or hate motivated victimization. This study is a follow-up to the Understanding and Measuring Bias Victimization Against Latinos study, ICPSR 37598, that was conducted in 2018-2019. The hope of this follow-up study, in conjunction with the original study "Wave 1", is to provide greater context into bias victimization by breaking apart the diverse nature of Latinx communities in regards to immigration status, language use, origin, acculturation, and enculturation.

This study examined the geospatial contexts of where terrorism incidents occur, where terrorists plan and prepare for their crimes, and where terrorists reside in the United States. The researchers examined data linked to terrorism-related incidents in the United States from the time of the 9/11 terror attacks in 2001 through 2019. Using these data, the researchers applied innovative analytical methodologies of Risk Terrain Modeling (RTM) and Conjunctive Analysis of Case Configurations (CACC) to evaluate their utility in assessing risk of terrorism.

Risk terrain modeling is a method for identifying situational, place-based risk factors most associated with locations where terrorist incidents are likely to be planned or occur. This method looks at specific aspects of the physical landscape, such as locations of buildings or parking lots. The place-based analysis approach to terrorism investigation represents a shift from the conventional research emphasis on targeting suspicious persons by their demographic or other traits. This approach investigates the importance of location in explanations of crime and terrorism.

According to the American Terrorism Study, during this time between 2001 (after 9/11 and 2019) there were 296 terrorism incidents and 617 pre-incident activities occurred where the state was known. In addition, there were 420 known residences tied to terrorism-related incidents in particular states.

This study collection was formed from two distinct data collection periods and respondent samples to test and validate a newly formed measure regarding adolescent dating abuse (ADA). The new measure named MARSHA (Measure of Adolescent Relationship Harassment and Abuse) reflects ADA from the both the perspectives of victim and perpetrator through the use of 39 pairs of questions on the topics of physical, sexual, emotional, and cyber abuse. The hope for this study was to allow researchers, clinicians, and practitioners, in a wide variety of settings and for multiple purposes, ability to assess the prevalence of ADA in a nation, state or neighborhood; conducting etiological research on ADA; evaluating ADA prevention programs; or screening youth for ADA in clinical or criminal justice settings.

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The study constructed a comprehensive, longitudinal dataset of all counties nested within U.S. States from 1970 to 2012. The study's main purpose was to facilitate research that would further understanding on firearm legislation and its impacts on violence. This comprehensive data collection effort included information on firearm legislation implemented across U.S. States over time in combination with multiple measures of firearm-related violence and injury. Moreover, to better understand the conditions under which firearm legislation is more or less effective, incorporation of county characteristics allowed for examination of whether the effectiveness of state-level firearm legislation depends upon particular characteristics of counties. The researchers conducted a secondary analysis utilizing a variety of archived external government and census sources.

The Study's Dataset Include two Stata Files:

• CJRC_firearms_research.dta (95 Variables, 129,027 Cases)
• state_law_data.dta (19 Variables, 2,168 Cases)

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

This study identified the temporal dimensions of terrorists' precursor conduct to determine if these behaviors occurred in a logically sequenced pattern, with a particular focus on the identification of sequenced patterns that varied by group type, group size, and incident type. The study specifically focused on how these pre-incident activities were associated with the successful completion or prevention of terrorist incidents and how they differed between categories of terrorism. Data utilized for this study came from the American Terrorism Study (ATS), a database that includes "officially designated" federal terrorism cases from 1980-October 1, 2016, collected for the National Institute of Justice.

The project focused on three major issues related to terrorists' precursor behaviors:

• A subgroup analysis of temporal, crime-specific patterns by group type,
• The nature of the planning process, and
• Factors associated with the outcomes of terrorist incidents (success or failure).

The collection contains 2 SPSS data files, Final_Hypothesis_Data_Set.sav (n=550; 16 variables) and Final_Sequencing_Antecedent_Temporal.sav (n=2354; 16 variables), and 1 plain text file, Recode_Syntax.txt.

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The objective of this study was to determine how homicide investigators use evidence during the course of their investigations. Data on 294 homicide cases (315 victims) that occurred in Cleveland between 2008 and 2011 was collected from investigative reports, forensic analysis reports, prosecutors and homicide investigators, provided by the Cleveland Ohio Police Department, Cuyahoga County Medical Examiner's Office, and Cuyahoga County Clerk of Courts.

The study collection includes 1 Stata data file (NIJ_Cleveland_Homicides.dta, n=294, 109 variables).

The Tailored Teen Alcohol and Violence Prevention in the Emergency Room survey screened 3,338 adolescents in an urban emergency department (ED) over a 30-month collection period. Eligible adolescents who self-reported alcohol misuse and violence were asked to participate in a longitudinal study to assess the efficacy of various brief interventions (BIs) at reducing peer violence, victimization, and substance abuse.

Patients aged 14 to 18 years who presented for medical illness or injury were eligible for screening (see Sampling exclusions). Recruitment occurred between 12pm and 11pm, 7 days a week (September 2006-September 2009), excluding major holidays. Adolescent patients identified from electronic logs were approached by research assistants in waiting rooms or treatment spaces. Following obtainment of written consent (and assent and parent/guardian consent if under 18 years of age), participants self-administered a 15-minute computerized survey with audio. After completing the survey, participants reporting both past-year aggression (peer, dating, weapon carriage/use) and alcohol consumption were eligible to enroll in the longitudinal study. Participants reporting only 1 behavior (aggression or alcohol use) were not eligible.

Following obtainment of written consent (and assent and parent/guardian consent if under 18 years of age) for the longitudinal study, participants self-administered a computerized baseline assessment. Participants were informed that they would be randomly assigned to 1 of 3 groups: computer session, counselor session, or brochure. Participants were blinded to condition assignment until after the baseline assessment. After the baseline, participants were randomized and received the therapist brief intervention, computer brief intervention, or control brochure during the ED visit.