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Investigative Applications 29.6. To increase the students' understanding of, respect for, and actual application of the tasks required in conducting a criminal investigation. 29.6.1 List and describe procedures to be taken upon arrival at the scene. Arrival.
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Investigative Applications29.6 To increase the students' understanding of, respect for, and actual application of the tasks required in conducting a criminal investigation.
29.6.1 List and describe procedures to be taken upon arrival at the scene
Arrival • If suspect(s) are at or near scene by observing unusual activity, persons, vehicles • Appropriate tactical action if suspect is at scene and offense is in progress weapon(s) involved • Number of suspects • Is a backup request appropriate?
Arrival • Search perimeter of building for open doors (windows) • Apply verbal skills to determine who is the victim, witness and complainant and to locate who reported offense. • Solicit information from persons in immediate area, appear through media, informants. • Separate witnesses so they don't influence others by statements.
Obtain identification • Name • D.O.B. • Address • Home/work phone number • Place of employment. • Other data to ID later • Driver’s license number • License plate number
29.6.2 Describe procedures for identifying victim in case of serious injury or death
ID - Serious Bodily Injury • If person is alive and conscious, obtain identification and information about next of kin.
ID – Death • Officers may locate any source of identification such as driver’s license, military ID, social security card, tattoos, amputation or unusual scars, only after obtaining permission from the medical examiner or justice of the peace to move or disturb the body • See CCP 49.25 (8), CCP 49.05
29.6.3Identify the available special units which may be called to the scene
Special units • EMS For Injuries • Medical Examiner/Coroner/J.P. For Homicides. • Bomb Squad • Fire Department • Military • Narcotics Visit/Task Force • Other L.E. Agencies For Assistance • Technicians • Supervisor • Detectives
29.6.4 Identify information which should be made known to other officers
Identify • any known information describing • suspect(s) vehicles • description physical description of suspect • weapons used • direction or travel • fruits of crime
29.6.5 Discuss the legal authority to protect the crime scene and establish the perimeters
Legal Authority For Crime Scene • Peace officer to prevent injury - CCP 6.06 • Conduct of peace officer - CCP 6.07 • Duties performed by medical examiner - CCP 49.25 • Removal of body & property from place of death - CCP 49.05 • Sealing premises of deceased by medical examiner - CCP 49.22
Crime Scene Location • Visually inspect to determine perimeters. • Any area affected by commission of an offense. • May be more than a single location.
Securing the Scene • Protect from contamination. • Prevent removal of evidence.
Securing the Scene • Use rope or tape, officers, other personnel or barricades to guard perimeter • Owner gives verbal authority to keep out unauthorized persons • Responsibilities of the officer in charge • Local departmental policy • See PC 30.05, 37.09, 38.15, CCP 49.05, and 49.06
Summary • Procedures upon arrival • Identifying victim of serious injury/death • Special units available • Information which should be made available to other officers • Legal authority to protect scene • Securing the scene