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Articles 1 - 11 of 11
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A Review Of Various Actions By The Federal Bureau Of Investigation And Department Of Justice In Advance Of The 2016 Election, Office Of The Inspector General, U.S. Department Of Justice
A Review Of Various Actions By The Federal Bureau Of Investigation And Department Of Justice In Advance Of The 2016 Election, Office Of The Inspector General, U.S. Department Of Justice
United States Department of Justice: Publications and Materials
The Department of Justice (Department) Office of the Inspector General (OIG) undertook this review of various actions by the Federal Bureau of Investigation (FBI) and Department in connection with the investigation into the use of a private email server by former Secretary of State Hillary Clinton. Clinton served as Secretary of State from January 21, 2009, until February 1, 2013, and during that time used private email servers hosting the @clintonemail.com domain to conduct official Department of State (State Department) business. In 2014, in response to a request from the State Department to Clinton for “copies of any Federal records …
Isolation Of Mitochondrial Dna From Single, Short Hairs Without Roots Using Pressure Cycling Technology, Kathryn A. Harper, Kelly A. Meiklejohn, Richard T. Merritt, Jessica Walker, Constance L. Fisher, James M. Robertson
Isolation Of Mitochondrial Dna From Single, Short Hairs Without Roots Using Pressure Cycling Technology, Kathryn A. Harper, Kelly A. Meiklejohn, Richard T. Merritt, Jessica Walker, Constance L. Fisher, James M. Robertson
United States Department of Justice: Publications and Materials
Hairs are commonly submitted as evidence to forensic laboratories, but standard nuclear DNA analysis is not always possible. Mitochondria (mt) provide another source of genetic material; however, manual isolation is laborious. In a proof-of-concept study, we assessed pressure cycling technology (PCT; an automated approach that subjects samples to varying cycles of high and low pressure) for extracting mtDNA from single, short hairs without roots. Using three microscopically similar donors, we determined the ideal PCT conditions and compared those yields to those obtained using the traditional manual micro-tissue grinder method. Higher yields were recovered from grinder extracts, but yields from PCT …
A Review And Conceptual Model Of Factors Correlated With Postmortem Root Band Formation, Joseph Donfack, Hilda S. Castillo
A Review And Conceptual Model Of Factors Correlated With Postmortem Root Band Formation, Joseph Donfack, Hilda S. Castillo
United States Department of Justice: Publications and Materials
It is generally accepted within the forensic trace evidence community that a postmortem root band (PMRB) can appear in the root of hairs attached to remains during decomposition. Presently, the specific sequences of events and/or exact molecular signals that lead to the formation of a PMRB are not well understood. The published literature addressing the abiotic and biotic factors that correlate with the formation of PMRBs is reviewed and a conceptual model for the formation of PMRBs is proposed.
Science‐Based Interviewing: Information Elicitation, Susan E. Brandon, Simon Wells, Colton Seale
Science‐Based Interviewing: Information Elicitation, Susan E. Brandon, Simon Wells, Colton Seale
United States Department of Justice: Publications and Materials
This article describes an ethical and effective science‐based model of interviewing. An initial planning phase assists the investigative team in separating facts from inferences, decreases the likelihood of errors based on cognitive biases, and prompts careful preparation of the environment. The interview begins with an explanation of why the subject is being questioned. The interviewer then metaphorically hands the interview over to the subject, making him the talker and the interviewer the listener. The interviewer engages in active listening, soliciting as much information from the subject as possible by deploying tactics that enhance memory based on science, including elements of …
Criminal Thinking, Psychiatric Symptoms, And Recovery Attitudes Among Community Mental Health Patients, Nicole R. Bartholomew, Robert D. Morgan, Sean M. Mitchell, Stephanie A. Van Horn
Criminal Thinking, Psychiatric Symptoms, And Recovery Attitudes Among Community Mental Health Patients, Nicole R. Bartholomew, Robert D. Morgan, Sean M. Mitchell, Stephanie A. Van Horn
United States Department of Justice: Publications and Materials
Research suggests it is important to consider criminogenic needs among individuals with severe mental illness. This study aimed to determine the severity of criminal thinking in community-based clinical samples, understand the association between criminal thinking and psychiatric and criminal justice outcomes, and compare these associations between consumers enrolled in Assertive Community Treatment (ACT) and Forensic Assertive Community Treatment (FACT) programs. Participants (N = 234) were male and female consumers enrolled in ACT and FACT programs in five states. Results revealed no significant differences in criminal thinking when comparing participants by program type or history of criminal justice involvement. There …
Integration Of Paper Spray Ionization High‐Field Asymmetric Waveform Ion Mobility Spectrometry For Forensic Applications, Chia-Wei Tsai, Christopher A. Tipple, Richard A. Yost
Integration Of Paper Spray Ionization High‐Field Asymmetric Waveform Ion Mobility Spectrometry For Forensic Applications, Chia-Wei Tsai, Christopher A. Tipple, Richard A. Yost
United States Department of Justice: Publications and Materials
Rationale: Paper spray ionization (PSI) is an attractive ambient ionization source for mass spectrometry (MS) since it allows the combination of surface sampling and ionization. The minimal sample preparation inherent in this approach greatly reduces the time needed for analysis. However, the ions generated from interfering compounds in the sample and the paper substrate may interfere with the analyte ions. Therefore, the integration of PSI with high‐field asymmetric ion mobility spectrometry (FAIMS) is of significant interest since it should reduce the background ions entering the mass analyzer without complicating the analysis or increasing analysis time. Here we demonstrate the integration …
Potential Effects Of Ionizing Radiation On The Evidentiary Value Of Dna, Latent Fingerprints, Hair, And Fibers: A Comprehensive Review And New Results, Keith L. Monson, Sherine Ali, Michael D. Brandhagen, Martine C. Duff, Constance L. Fisher, Karen K. Lowe, Carna E. Meyer, Maria A. Roberts, Kyle R. Tom, Aaron L. Washington Ii
Potential Effects Of Ionizing Radiation On The Evidentiary Value Of Dna, Latent Fingerprints, Hair, And Fibers: A Comprehensive Review And New Results, Keith L. Monson, Sherine Ali, Michael D. Brandhagen, Martine C. Duff, Constance L. Fisher, Karen K. Lowe, Carna E. Meyer, Maria A. Roberts, Kyle R. Tom, Aaron L. Washington Ii
United States Department of Justice: Publications and Materials
An extensive literature review and new post-irradiation experimental results are presented of genotyping blood stains and hair, and physical examinations of latent fingerprints, hairs, and fibers. Results indicate that successful development of nuclear short tandem repeat (STR) and mitochondrial DNA sequence profiles from human blood and hair evidence is possible—up to a point—following exposure to gamma, neutron, beta, and alpha radiation at several levels that would most likely be present at this type of crime scene (i.e., a “dirty bomb,” etc.). Commencing at gamma radiation levels between 90 and 900 kGy, DNA analysis using conventional DNA techniques was unsuccessful. In …
A Protocol For Obtaining Dna Barcodes From Plant And Insect Fragments Isolated From Forensic-Type Soils, Kelly A. Meiklejohn, Megan L. Jackson, Libby A. Stern, James M. Robertson
A Protocol For Obtaining Dna Barcodes From Plant And Insect Fragments Isolated From Forensic-Type Soils, Kelly A. Meiklejohn, Megan L. Jackson, Libby A. Stern, James M. Robertson
United States Department of Justice: Publications and Materials
Soil is often collected from a suspect’s tire, vehicle, or shoes during a criminal investigation and subsequently submitted to a forensic laboratory for analysis. Plant and insect material recovered in such samples is rarely analyzed, as morphological identification is difficult. In this study, DNA barcoding was used for taxonomic identifications by targeting the gene regions known to permit discrimination in plants [maturase K (matK) and ribulose 1,5-biphosphate carboxylase (rbcL)] and insects [cytochrome oxidase subunit I (COI)]. A DNA barcode protocol suitable for processing forensic-type biological fragments was developed and its utility broadly tested with …
Pilot Testing The Daily Activities List For Inmates (Dali): Item Evaluation And Content Validity, Philip R. Magaletta, Rokas Perskaudas, Christina J. Connors, Marc W. Patry, Jarrod Reisweber
Pilot Testing The Daily Activities List For Inmates (Dali): Item Evaluation And Content Validity, Philip R. Magaletta, Rokas Perskaudas, Christina J. Connors, Marc W. Patry, Jarrod Reisweber
United States Department of Justice: Publications and Materials
Scheduling enjoyable daily activities is a Cognitive Behavioral Therapy intervention used in the treatment of depression and substance abuse disorders that are prevalent disorders among inmates. To effectively use this intervention with inmates, an activities list with items ecologically sensitive to the correctional setting needs to be created. The purpose of this study was to develop and evaluate items; thus, establishing a content valid Daily Activities List for Inmates (DALI). Fifteen corrections professionals representing a wide range of disciplines and managerial backgrounds served as subject matter experts (SMEs). Each SME evaluated 403 daily activity items that were aggregated from 4 …
Use Of The Lus In Sequence Allele Designations To Facilitate Probabilistic Genotyping Of Ngs-Based Str Typing Results, Rebecca S. Just, Jodi A. Irwin
Use Of The Lus In Sequence Allele Designations To Facilitate Probabilistic Genotyping Of Ngs-Based Str Typing Results, Rebecca S. Just, Jodi A. Irwin
United States Department of Justice: Publications and Materials
Some of the expected advantages of next generation sequencing (NGS) for short tandem repeat (STR) typing include enhanced mixture detection and genotype resolution via sequence variation among non-homologous alleles of the same length. However, at the same time that NGS methods for forensic DNA typing have advanced in recent years, many caseworking laboratories have implemented or are transitioning to probabilistic genotyping to assist the interpretation of complex autosomal STR typing results. Current probabilistic software programs are designed for length-based data, and were not intended to accommodate sequence strings as the product input. Yet to leverage the benefits of NGS for …
Development And Validation Of A Solid Phase Extraction Sample Cleanup Procedure For The Recovery Of Trace Levels Of Nitro-Organic Explosives In Soil, Jennifer L. Thomas, Christopher C. Donnelly, Erin W. Lloyd, Robert F. Mothershead Ii, Mark L. Miller
Development And Validation Of A Solid Phase Extraction Sample Cleanup Procedure For The Recovery Of Trace Levels Of Nitro-Organic Explosives In Soil, Jennifer L. Thomas, Christopher C. Donnelly, Erin W. Lloyd, Robert F. Mothershead Ii, Mark L. Miller
United States Department of Justice: Publications and Materials
An improved cleanup method has been developed for the recovery of trace levels of 12 nitro-organic explosives in soil, which is important not only for the forensic community, but also has environmental implications. A wide variety of explosives or explosive-related compounds were evaluated, including nitramines, nitrate esters, nitroaromatics, and a nitroalkane. Fortified soil samples were extracted with acetone, processed via solid phase extraction (SPE), and then analyzed by gas chromatography with electron capture detection. The following three SPE sorbents in cartridge format were compared: EmporeTM SDB-XC, Oasis HLB, and Bond Elut NEXUS cartridges. The NEXUS cartridges provided the best …