Longevity of American Terrorists: Factors Affecting Sustainability, [United States], 1980-2015 (ICPSR 37175)

These data are part of NACJD\u27s 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 if further information is needed. This study examined the longevity of individual terrorists using data from the American Terrorism Study (ATS). Using these data, researchers examined the longevity of individual terrorists in relationship to five major factors: 1) the possible effects of changes in the Attorney General\u27s Guidelines for terrorism investigations; 2) the impact of ideology, which may indirectly affect longevity through perpetrator and incident characteristics; 3) lone actors versus group participation; 4) the extent of participation in preparatory activity; and 5) the sophistication of the incidents in which the person participated. Previous ATS research funded through National Institute of Justice (NIJ) by focusing on individual terrorists, instead of terrorist groups

Criminal Victimization in Rural and Urban Areas: Comparative Analysis

Exact date of working paper unknown

Patterns of Lone Actor Terrorism in the United States

This research explores the differences in geospatial and temporal patterns between lone actor and group-based terrorists in the United States. These include differences in demographics, precursor activities, proximity to the terrorism incidents, and longevity of conducting terrorist activities. Data for this analysis were derived from the American Terrorism Study (ATS). The ATS includes information on federal criminal cases resulting from FBI investigations for “terrorism or terrorism-related activities.” The analysis includes data from 264 prevented or completed terrorism incidents in the United States from 1980-present. These incidents involved 314 indictees charged with over 3,000 federal criminal counts. They were responsible for 1,788 recorded precursor activities that occurred at over 1,100 geocoded addresses

Spatial Analysis of U.S. Terrorism Incidents

This research brief represents an overview of basic spatial patterns across a sample of terrorism incidents in the United States. While research concerning characteristics of incidents has received some study, the geospatial patterns of these incidents remains largely unexamined. Logically, different ideological categories of terrorism may lend themselves to different spatial patterns and preferences for target distance. In addition, the distance required to perpetrate an incident may affect the success rate of an attack. Terrorists who must travel further to engage in preparatory activity such as surveillance or transporting weapons may stand an increased chance of failure due to human intervention. Previous research from the American Terrorism Study (ATS) has examined these ideas and generally suggests terrorists favor targets closer to their place of residence; this research brief builds upon that previous work. The findings suggest that in recent years, terrorists have lived closer to the intended target. This is primarily related to the increase in ISIS-affiliated incidents

Update on Geospatial Patterns of Antecedent Behavior among Perpetrators in the American Terrorism Study (ATS)

As part of the Terrorism and Extremist Violence in the United States (TEVUS) database integration effort, researchers at the Terrorism Research Center in Fulbright College at the University of Arkansas and the University of Oklahoma have been adding: 1) federal terrorism court cases and associated data and 2) incident and antecedent geospatial data from these court cases to the American Terrorism Study (ATS). The goal of the project is to examine geospatial patterns in perpetrator behavior and determine if the patterns identified in earlier studies have changed significantly. The ATS allows examination of a number of different units of analysis. Analyses may examine: (1) characteristics of federal terrorism court cases; (2) the characteristics of persons indicted in each court case or involved in incidents, otherwise referred to as indictees; (3) characteristics of incidents and planned incidents; and (4) antecedent activities that lead up to the incident and are necessary to carry it out and/or achieve the goals of the persons or groups

Galactic winds and stellar populations in Lyman α\alpha emitting galaxies at z ~ 3.1

We present a sample of 33 spectroscopically confirmed z ~ 3.1 Ly$\alpha$-emitting galaxies (LAEs) in the Cosmological Evolution Survey (COSMOS) field. This paper details the narrow-band survey we conducted to detect the LAE sample, the optical spectroscopy we performed to confirm the nature of these LAEs, and a new near-infrared spectroscopic detection of the [O III] 5007 \AA\ line in one of these LAEs. This detection is in addition to two [O III] detections in two z ~ 3.1 LAEs we have reported on previously (McLinden et al 2011). The bulk of the paper then presents detailed constraints on the physical characteristics of the entire LAE sample from spectral energy distribution (SED) fitting. These characteristics include mass, age, star-formation history, dust content, and metallicity. We also detail an approach to account for nebular emission lines in the SED fitting process - wherein our models predict the strength of the [O III] line in an LAE spectrum. We are able to study the success of this prediction because we can compare the model predictions to our actual near-infrared observations both in galaxies that have [O III] detections and those that yielded non-detections. We find a median stellar mass of 6.9 $\times$ 10$^8$ M$_{\odot}$ and a median star formation rate weighted stellar population age of 4.5 $\times$ 10$^6$ yr. In addition to SED fitting, we quantify the velocity offset between the [O III] and Ly$\alpha$ lines in the galaxy with the new [O III] detection, finding that the Ly$\alpha$ line is shifted 52 km s$^{-1}$ redwards of the [O III] line, which defines the systemic velocity of the galaxy.Comment: 38 pages, 27 figures, 4 tables, Accepted for publication in MNRA

Temporal Sequencing, Incident Sophistication, and Terrorist Outcomes

There have been few efforts to examine how the planning process affects the outcome of a terrorist plot. This research brief provides some preliminary findings from an examination of the impact of the length of the planning process, the impact of multiple participants, and the volume of precursor activity on the success or failure of terrorist plots in the United States. While conventional wisdom holds true that a shorter planning process and fewer preparatory activities reduces perpetrators chances of getting caught therefore increases success rate, the new findings show that the more people involved in the planning process also increases the probability of success

Success Despite Socioeconomics: A Case Study of a High-Achieving, High-Poverty School

Effective school leadership is becoming more difficult than ever with the challenges of increased accountability and high stakes testing that are components of federal No Child Left Behind (NCLB) legislation. These challenges are more pronounced in schools with high rates of poverty. This was a case study of a high performing, high poverty school that has consistently been one of the highest performing elementary schools in the state. The purpose of the study was to describe the leadership that exists at the school, the culture of the school, and programs that contribute to the school’s success. The researcher conducted observations at the school site and interviews with school personnel. School personnel also completed the School Culture Survey and the Vanderbilt Assessment of Leadership in Education (VAL-ED). The study revealed school leadership that had high expectations for staff members and emphasized small group instruction, collaboration, and continuous improvement in instructional practices. The culture of the school was that of excellence, continuous improvement, school pride, and collaboration