General Order 83.1
EVIDENCE ADMINISTRATION

Last Revised: 11/1/03

SUBJECT: EVIDENCE ADMINISTRATION

This order consists of the following numbered sections:

83.1.1    24-hour crime scene/accident processing availability

83.1.2    Control samples

83.1.1 24-hour crime scene/accident processing availability

I.    All officers are trained in crime scene and accident investigation techniques.

II.    The Evidence Technician and selected detectives have specialized, advanced training in crime scene processing techniques.

III.    The Evidence Technician and selected motorcycle officers have specialized, advanced training in accident scene processing techniques.

IV.    When a crime scene requires advanced evidence collection or processing skills, either the Evidence Technician or a qualified detective is called to the scene to assume responsibility for the crime scene processing duties. A qualified crime scene processing specialist is available, either on duty or on call, 24-hours a day.

V.    When an accident scene requires advanced evidence collection or processing skills, either the Evidence Technician or a qualified motorcycle officer is called to the scene to assume responsibility for accident scene processing duties. A qualified accident scene processing specialist is available, either on duty or on call, 24-hours a day.

VI.    In all instances where a crime/accident scene processing specialist is called out, officers at the scene are to maintain the scene with minimal disturbance until the specialist arrives. No collection or processing of evidence occurs until the specialist is on site and directs such work to take place.

83.1.2 Control samples

I.    Whenever available, materials and substances from known sources (i.e., control samples) are collected to provide a point of comparison with the physical evidence collected at a crime/accident scene. Control samples are particularly important for the study of blood, hair, fibers, paint, glass, wood, metal, soil, plants, tool marks, or footwear.

II.    The exact location from which control samples are taken is critical and should be documented photographically (when possible) and in the collecting officer’s report.

III.    Employees follow the guidelines established by the Washington State Patrol Crime Laboratory in collecting control and evidence samples.