How is crime scene investigation properly conducted?

How is crime scene investigation properly conducted?

A crime scene is a dynamic workspace fret with challenges and perils.  If the crime scene investigator is not careful, then the crime scene investigator can negatively impact the scene and compromise the physical evidence. We had examined before the importance of physical and forensic evidence and how the theory of the Locard Exchange Principle […]

Securing a Crime Scene-common CSI mistakes in the beginning

Securing a Crime Scene-common CSI mistakes in the beginning

Contamination of a crime scene is the enemy of truth. Everyone recognizes that the enemy of crime scene investigation is contamination and the altering of important physical evidence. The federal government in the United States Department of Justice, Office of Justice Programs, National Institutes of Justice,  and specifically the Technical Working Group on Crime Scene […]

The Locard Exchange Principle in Forensic Science:  The real iTouch

The Locard Exchange Principle in Forensic Science: The real iTouch

“Every contact leaves a trace” is how the Locard Exchange Principle which is really a hypothesis is summarized. It has been written as follows: Wherever he steps, whatever he touches, whatever he leaves, even unconsciously, will serve as a silent witness against him. Not only his fingerprints or his footprints, but his hair, the fibers […]

Physical evidence is often the most important evidence

Physical evidence is often the most important evidence

In the world of criminal law truth is the gold standard.  Who doesn’t want a truthful verdict?  Admittedly, absolute truth is often illusive.  But how can jurors and judges who were not at a scene, were not eyewitnesses themselves to the event and do not know the credibility or the accuracy of the witnesses called […]