What should officers do to secure a crime scene afterassuring public safety and the policy for contacting other agencies forchemical incidents fires contamination risks and biological elements?

 

Crime Scene Analysis1, What are the health and safety concerns at a murder crime
scene?2. How does the initial officer approach the crime scene so
as not to disturb evidence?3. What are the initial steps to collect and preserve
evidence.
4. What should officers do to secure a crime scene after
assuring public safety, and the policy for contacting other agencies for
chemical incidents, fires, contamination risks, and biological elements? Please
provide references.2. How does the initial officer approach the crime scene so
as not to disturb evidence?3. What are the initial steps to collect and preserve
evidence.
4. What should officers do to secure a crime scene after
assuring public safety, and the policy for contacting other agencies for
chemical incidents, fires, contamination risks, and biological elements? Please
provide references.

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