Crime Scene Investigation Hermitage Technical Center - Criminal Justice

Respond Evaluate Crime Scene Investigation Hermitage Technical Center - Criminal Justice Team Process Debrief

Crime Scene Investigation  Arriving at the Scene: Initial Response/Prioritization of Efforts  Preliminary Documentation and evaluation  Processing the Scene  Completing & recording the Crime Scene Investigation

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 1 -Initial Response - Receipt of Information -Three Principles- Preserve scene with minimal contamination and disturbance of physical evidence.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 1 -Initial Response - Receipt of Information -Three Principles- Initial response should be expeditious and methodical.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 1 -Initial Response - Receipt of Information -Three Principles- Upon arrival, assess scene and treat incident as a crime scene.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 1 -Initial Response - Receipt of Information -Procedures- Note dispatch information Observe people or vehicles leaving scene as you enter Approach scene cautiously

Arriving at the Scene:Initial Response/Prioritization of Efforts -Procedures- Scan area - Thoroughly assess scene Note possible secondary scenes Beware of persons/vehicles in the vicinity, related to the scene Make initial observations Look, Listen, Smell

Arriving at the Scene:Initial Response/Prioritization of Efforts -Procedures- Ensure officer safety before proceeding Remain alert and attentive - assume the crime is ongoing until determined otherwise. Continue to assume the scene is a crime scene until determined otherwise.

Arriving at the Scene:Initial Response/Prioritization of Efforts -Summary- Be observant when approaching, entering, and exiting a crime scene.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 2 -Safety Procedures -Principle- Safety of individuals in and around scene is responding officer’s first priority.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 2 -Safety Procedures -Procedures- Ensure there is no immediate threat Scan area for sights, sounds, and smells that may present danger to personnel Ex. Gasoline, natural gas Approach scene cautiously - maximize safety.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 2 -Safety Procedures -Procedures- Survey scene for dangerous persons If present, control situation Notify supervisor, call for backup

Arriving at the Scene:Initial Response/Prioritization of Efforts -Summary- The control of physical threats will ensure the safety of officers and others present.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Principle- After rendering scene safe, ensure medical attention is provided to injured persons while minimizing crime scene contamination.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Procedures- Check victim(s) for injuries/sign of life Call for medical attention Guide medical into scene - minimize contamination. Point out potential evidence so it can be avoided.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Procedures- Have medical personnel preserve evidence on clothing - holes, fibers Preserve clothing of victim(s) Document actions of medical personnel Listen to and note statements made by victim(s) to medical personnel

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Procedures- Instruct medical personnel not to clean up scene and not to remove items If medical personnel arrived first, note: Who (name) arrived first Phone numbers, unit numbers Medical facilities where injured were taken

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Procedures- Obtain dying declarations, if appropriate Document statements by: Witnesses Victims Suspects

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Procedures- If victim/suspect sent to hospital, send officer to accompany them to: Document statements Collect or preserve evidence Suspects

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 3 -Emergency Care -Summary- Officer can lower risk of contamination and loss of evidence by assisting and instructing medical personnel during care and removal of the injured.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 4 -Secure & Control Persons at the Scene -Principle- Protect the scene by controlling, identifying and removing persons at the scene and limiting the number of persons who can enter the scene. If they don’t have a specific crime scene role, they should not be allowed to enter.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 4 -Secure & Control Persons at the Scene -Principle- Control individuals at the scene Prevent people from altering, destroying or removing evidence by restricting access. Exclude unauthorized and nonessential personnel not working the scene.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 4 -Secure & Control Persons at the Scene -Principle- Identify individuals at the scene: Suspects - secure and separate Witnesses - secure and separate Bystanders - if not witnesses, remove Family of victim - control while showing compassion Medical - direct, and point out evidence

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 4 -Secure & Control Persons at the Scene -Summary- Controlling people at crime scene is essential to maintaining scene integrity, safeguarding evidence, and minimizing contamination.

Arriving at the Scene:Initial Response/Prioritization of Efforts PART 5 - Boundaries -Principle- Protect the scene by controlling, identifying and removing persons at the scene and limiting the number of persons who can enter the scene. If they don’t have a specific crime scene role, they should not be allowed to enter.

Crime Scene Investigation  Arriving at the Scene: Initial Response/Prioritization of Efforts  Preliminary Documentation and evaluation  Processing the Scene  Completing & recording the Crime Scene Investigation

Crime Scene Investigation  Arriving at the Scene: Initial Response/Prioritization of Efforts  Preliminary Documentation and evaluation  Processing the Scene  Completing & recording the Crime Scene Investigation

Crime Scene Investigation  Arriving at the Scene: Initial Response/Prioritization of Efforts  Preliminary Documentation and evaluation  Processing the Scene  Completing & recording the Crime Scene Investigation