Chicago Police DepartmentSpecial OrderS04-02
Crime Scene Protection and Processing
Issue Date:06 November 2014Effective Date:06 November 2014Rescinds:15 June 2002 versionIndex Category:Preliminary Investigations
This directive informs members of the procedures and responsibilities related to crime scene protection and processing. Department members will refer to the General Order titled "Crime Scene Protection and Processing" for the policy governing crime scene protection and processing.

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A.At the beginning of the tour of duty, field supervisors will ensure that an adequate supply of the following is carried in their vehicles:

2.if the investigation indicates that a homicide, suicide, aggravated battery likely to cause death, or a police-related shooting has occurred, request the assignment of:

Notifications or requests for the assignment of a detective or a member of the Forensic Services Division will not be made from a telephone located within a crime scene. If a telephone is not available, requests may be made by an Office of Emergency Management and Communication (OEMC) dispatcher. Members will use caution when referring to the names and addresses of victims when making requests or notifications from personal cellular telephones.
C.A Bureau of Patrol supervisor assigned to oversee the preliminary investigation will normally remain on the scene and ensure that:

a.yellow barrier tape is used to create an outer perimeter and staging area when determined appropriate.


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evidence may be lost, stolen, or damaged prior to the arrival of Forensic Services Division personnel, and

2.use of the crime scene evidence markers reduces the likelihood that the evidence will be lost, stolen, or damaged, and