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Y‐STR mixture deconvolution by single‐cell analysis
Since Y‐STR typing only amplifies male Y chromosomal DNA, it can simplify the interpretation of some DNA mixtures that contain female DNA. However, if there are multiple male contributors, mixed Y‐STR DNA profiles will often be obtained. Y‐STR mixture analysis cases are particula...
Accuracy of comparison decisions by forensic firearms examiners
This black box study assessed the performance of forensic firearms examiners in the United States. It involved three different types of firearms and 173 volunteers who performed a total of 8640 comparisons of both bullets and cartridge cases. The overall false‐positive error rate...
Y‐STR mixture deconvolution by single‐cell analysis
Since Y‐STR typing only amplifies male Y chromosomal DNA, it can simplify the interpretation of some DNA mixtures that contain female DNA. However, if there are multiple male contributors, mixed Y‐STR DNA profiles will often be obtained. Y‐STR mixture analysis cases are particula...
Accuracy of comparison decisions by forensic firearms examiners
This black box study assessed the performance of forensic firearms examiners in the United States. It involved three different types of firearms and 173 volunteers who performed a total of 8640 comparisons of both bullets and cartridge cases. The overall false‐positive error rate...
AAFS’ GCFS’ Philanthropic Educational Outreach Collaborates With 33 Countries This Week in...
Standards Checklists Now Online
A TikTok™ “Benadryl Challenge” death—A case report and review of the literature
TikTok™, a social media platform popular with teenagers and young adults, hosts a variety of short‐form user videos with durations from 15 s to 10 min. Among these videos are potentially dangerous "challenges," such as the "Skull Breaker" challenge and the &qu...
Toxicology Section News for AAFS 2023
Age prediction by methylation analysis of small amounts of DNA using locked nucleic acids
Age prediction based on methylation analysis has been reported in many populations, with 10 ng or more of DNA usually required for each determination. In this study, we designed thermostable locked nucleic acid (LNA) primers by replacing a small number of DNA bases in standard DN...
Examination of the possibility to use Siamese networks for the comparison of firing pin...
One of the most discussed issues in forensic firearms identification is the subjectivity of conclusions. The main part of firearms examiners' work is to make a microscopic comparison of the marks on cartridge cases and bullets. In this process, examiners have to decide if th...
NIST Scientific Foundation Review on Bitemark Analysis Virtual Webinar
The General Section Will Do Things a Little Differently at the February Conference …
JFS Honors Peer Review Week 2022
Manifestation of TASER drive stun burn marks on fabrics
The TASER® is a type of conducted energy weapon (CEW) used with increasing frequency by law enforcement to subdue subjects in circumstances where compliance is necessary. When operated in the drive stun method of deployment, the electrodes at the head of this CEW are intended to ...
2022-23 FSF Student Travel Grant: October 15 Deadline
Committee Corner—Diversity Outreach Committee
AAFS Annual Conference Employment Forum and FEPAC University Fair
The influence of a possible contamination of the victim's clothing on the estimation of...
One of the tools for estimating shooting distance is examination of smokeless powder particle distribution on the target area. Components of the powder that are utilized for this purpose are nitrite anions. The traditional method for detecting nitrite anions mainly involves apply...