Crime Scene Investigation and Forensic Science

These flashcards cover key concepts from the lecture on Crime Scene Investigation and Forensic Science, focusing on the roles and responsibilities of first responders.

First Officer at the Scene

The initial responding law enforcement officer responsible for managing the crime scene and ensuring safety.

Locard's Exchange Principle

A forensic principle stating that every contact leaves a trace, leading to the creation of evidence.

Crime Scene Log

A detailed record maintained at a crime scene documenting the arrival and departure of individuals and the actions taken.

Rigor Mortis

The postmortem stiffening of muscles that occurs as part of the body's response to death.

Livor Mortis

The settling of blood in the lower parts of the body after death, resulting in a hypostatic discoloration.

Secure Crime Scene

The process of establishing boundaries to prevent unauthorized access to a crime scene.

First Priority of Deputy

To ensure safety at the scene before attending to any other matters.

Evidence Integrity

Maintaining the original state and location of evidence to prevent contamination or misinterpretation.

Photo Documentation

Taking photographs of the crime scene and evidence in its original condition without any manipulations.

Handling Firearms

Proper techniques for managing firearms found at a crime scene, emphasizing minimal movement and documentation.