Questions and Answers
Law enforcement use ______ codes to quickly and efficiently communicate information over radios and other communication devices.
10
The first responder's priority is to ensure the ______ of everyone at the scene.
safety
10-20 is a 10-code used to request or provide a ______.
location
At the crime scene, it is important to ______ and preserve physical evidence.
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10-100 is a 10-code used to indicate an officer is taking a ______ break.
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Crime scene management involves ______ the crime scene to understand the events surrounding the crime.
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Study Notes
Police Codes
10-Codes
- Also known as ten-codes or police codes
- A standardized system of numeric codes used by law enforcement to quickly and efficiently communicate information over radios and other communication devices
- Codes are usually three-digit numbers, with the first digit indicating the type of information being conveyed
- Examples:
- 10-4: Affirmative (yes) or acknowledgment
- 10-20: Location (used to request or provide a location)
- 10-52: Ambulance needed
- 10-100: Bathroom break (used to indicate a officer is taking a short break)
Crime Scene Management
Secure the Scene
- First responder's priority is to ensure the safety of everyone at the scene
- Secure the area by establishing a perimeter and controlling access
- Identify and isolate witnesses and suspects
Preserve Evidence
- Protect and preserve physical evidence at the crime scene
- Document and collect evidence, including:
- Physical items (e.g. fingerprints, DNA, trace evidence)
- Photographic and video evidence
- Witness statements and interviews
Process the Scene
- Systematically process the crime scene, documenting each step
- Use specialized tools and equipment to collect and analyze evidence
- Reconstruct the crime scene to understand the events surrounding the crime
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