Bloodstain Pattern Analysis for Beginners: A Law Enforcement Guide to the Science
Bloodstains at a crime scene hold secrets. To the untrained eye, they’re just messy biological hazards, but for law enforcement, they can be forensic gold. Bloodstain pattern analysis (BPA) blends physics, biology, math, various physical sciences, and investigative skill to piece together violent events. If you’re new to policing or forensics, or simply unfamiliar with how BPA can help you investigate violent scenes, this guide breaks down how to read bloodstains—from drips to mists.
Crime Scene Reconstruction Training: Expert Skills for 2025
In the ever-evolving landscape of criminal investigations, crime scene reconstruction has become an indispensable skill for modern law enforcement. This guide will delve into the critical aspects of crime scene reconstruction training, its importance, and how it empowers your agency to uncover the truth and ensure justice in 2025.
Caniglia v. Strom: A Shift in Community Caretaking and Red Flag Laws
The Supreme Court’s 2021 decision in Caniglia v. Strom sent shockwaves through law enforcement and legal circles, fundamentally altering the landscape of community caretaking and its interaction with red flag laws.
Warrant Requirements Under Constitutional Scrutiny
When a death occurs under uncertain or suspicious circumstances, law enforcement officers frequently confront a critical legal question: may they enter a private residence to investigate without a warrant, or does the Fourth Amendment impose a barrier to such action? This article seeks to clarify the constitutional parameters governing police entry in death-related inquiries. Your jurisdiction may have varying policies and procedures. Seek your department’s legal counsel for further details and opinions.
The Role of Vehicle Forensics in Criminal Investigations
Vehicle forensics is a fascinating field that plays a critical role in criminal investigations, particularly in cases such as hit-and-run accidents, DUI cases, and homicides. By examining the physical and digital evidence found in or on a vehicle, forensic investigators can establish a timeline of events and identify potential suspects, ultimately helping to bring justice to victims and their families – at least, that’s our goal.
Trauma Informed Interviews
Have you heard of trauma informed interviewing? It’s a new approach to interviewing that’s gaining popularity in law enforcement agencies across the country. The idea behind it is that individuals who have experienced trauma may have difficulty communicating about their experiences, and traditional interview techniques may not be effective in obtaining accurate information from them.
Investigating Vehicle Infotainment Systems: A New Frontier in Digital Forensics
Vehicle infotainment systems are becoming increasingly complex and interconnected with other electronic systems in modern vehicles.
Burns in Child Abuse Investigation Cases
Contact with fire is the most common cause of burns in child abuse cases but other less common causes of burns include scalds (burns from hot liquids), electrical burns and chemical burns.
Law Enforcement’s Response to Nonfatal Strangulation
Strangulation is a type of mechanical asphyxia, which can result in death or permanent disability. Non-fatal strangulation is a increasingly recognized form of domestic violence.
Better Crisis Negotiations for Patrol Officers
Crisis negotiation is a process of communication between law enforcement and an armed, barricaded, or otherwise dangerous subject, in order to effect a peaceful resolution.