Surveying Practicing Firearm Examiners
A sample (n = 79) of practicing firearm and toolmark examiners was queried about casework as well as their views about the potential role that statistics might play in future
Blind testing in firearms: Preliminary results from a blind quality control program
Open proficiency tests meet accreditation requirements and measure examiner competence but may not represent actual casework. In December 2015, the Houston Forensic Science Center began a blind quality control program
A practical tool for information management in forensic decisions: Using Linear Sequential Unmasking-Expanded (LSU-E) in casework
Forensic analysts often receive information from a multitude of sources. Empirical work clearly demonstrates that biasing information can affect analysts’ decisions, and that the order in which task-relevant information is
The effect of image descriptors on the performance of classifiers of footwear outsole image pairs
Shoe prints are commonly found at the scene of a crime and can sometimes help link a suspect to the scene. Because prints tend to be partially observed or smudgy,
LogExtractor: Extracting Digital Evidence from Android Log Messages via String and Taint Analysis
Mobile devices are increasingly involved in crimes. Therefore, digital evidence on mobile devices plays a more and more important role in crime investigations. Existing studies have designed tools to identify and/or
Forensic Analysis on Joker Family Android Malware
Android is the most popular operating system among mobile devices and the malware targeted explicitly for Android is rapidly growing and spreading across the mobile ecosystem. In this paper, we
Using the Likelihood Ratio in Bloodstain Pattern Analysis
There is an apparent paradox that the likelihood ratio (LR) approach is an appropriate measure of the weight of evidence when forensic findings have to be evaluated in court, while
Handwriting Identification using Random Forests and Score-based Likelihood Ratios
Handwriting analysis is conducted by forensic document examiners who are able to visually recognize characteristics of writing to evaluate the evidence of writership. Recently, there have been incentives to investigate
Source-Anchored, Trace-Anchored, and General Match Score-Based Likelihood Ratios for Camera Device Identification
Forensic camera device identification addresses the scenario, where an investigator has two pieces of evidence: a digital image from an unknown camera involved in a crime, such as child pornography,
Forensic Science in Legal Education
In criminal cases, forensic science reports and expert testimony play an increasingly important role in adjudication. More states now follow a federal reliability standard, following Daubert v. Merrell Dow Pharmaceuticals