Digital forensics is the science of laws and technologies fighting computer crimes. It can be divided into two sub-areas, computer forensics and network forensics. Network forensics is still a frontier area of digital forensics and is the focus of this paper. We propose to classify network forensic investigations into three categories based on when law enforcement officers conduct investigation...

Identification of biological evidences, such as blood, semen, saliva and urine, are important for crime scene investigation. Forensic light sources have been used for detection of biological evidences, where this method is a simple, presumptive, non-destructive test and applicable for detecting most types of biological evidences. Biological evidences can be detected by forensic light source due...

A healthy 21-year-old female patient received midazolam, propofol, fentanyl, rocuronium, nitrous oxide in oxygen, ranitidine, diclofenac, neostigmine and glycopyrrolate during the anesthetic process for elective knee arthroscopy and developed a complete AV dissociation with a P-wave frequency of 40 and a "small" QRS-complex frequency of 55 beats/min. Based on this typical case of poly-pragmatic...

Files stored on a computer are managed by the file system of the operating system. When a computer is used to store illegal data such as child pornography, it is important that the existence of the illegal data can be proven even after the data is deleted. In this study, a new functionality is added to the Zettabyte File System (ZFS) debugger, which digs into the physical disk of the computer w...

The digital image has a predominant position among multimedia data types, and it plays a valuable role in numerous human activities, such as law enforcement, forestry management, environment management, weather forecasting and entertainment. In forensic sciences, digital images have been widely used, such as fingerprints, scene photos, firearm tool marks, and so on. Therefore, the arrangement o...

Background: To determine the role of drugs in fatal overdose, analyses were done on samples obtained from autopsy examination and death and crime scene investigations. The aim of this study was to evaluate the usefulness of toxicology analyses of postmortem biological and non-biological samples belonging to a subject in determining the forensic cause of death. Methods: Toxicological analysi...

This introductory laboratory exercise gives first-year life science majors or nonmajors an opportunity to gain knowledge and experience in basic bioinformatics and molecular biology laboratory techniques and analysis in the context of a mock crime scene investigation. In this laboratory, students determine if a human (Lady) or dog (Kona) committed the fictional crime of scaring a cat. Students ...

Were he alive today, would Louis Pasteur still champion culture methods he pioneered over 150 years ago for identifying bacterial pathogens? Or, might he suggest that new molecular techniques may prove a better way forward for quickly detecting the true microbial diversity of wounds? As modern clinicians faced with treating complex patients with diabetic foot infections (DFI), should we still r...