BCCO PCT #4 PowerPoint INTERMEDIATE CRIME SCENE SEARCH TCOLE Course # to 40 hours AND UNIT THREE

Learning Objectives Learning Objective Learning Objective 3.1 The student will be able to summarize major issues of crime scene investigation. Learning Objective Learning Objective The student will be able to list a basic guideline for conducting a crime scene search. Learning Objective Learning Objective The student will be able to identify the methods of conducting a preliminary investigation. Learning Objective Learning Objective The student will be able to explain the importance for establishing a “chain of custody.” Learning Objective Learning Objective The student will be able to explain the importance for conducting a final survey of the crime scene. Learning Objective Learning Objective The student will be able to explain the importance for debriefing the search team. Learning Objective Learning Objective The student will be able to explain the importance for maintaining a case file. Learning Objective Learning Objective The student will be able to explain the importance for conducting a follow-up investigation

Investigating a Crime Scene 3.0 Investigating a Crime Scene

3.1 Major Crime Scene Investigation Issues

3.1.1 Guidelines for Conducting Crime Scene Search A. The basic steps of which a crime scene search normally progresses are as follows: 1.Approach _____. 2.______ and _______. 3.Preliminary ______.

4.________ the possibilities of physical evidence. 5.Establish a “_____ of _______.” 6.Narrative _______. 7.__________ scene. 8.______ scene. 9.Fingerprints/Latent prints. 10.Identify, _______, _____, and preserve ________ Continued:

11.Evaluation of ___ evidence. 12.Detailed ______. 13.Evaluation of actual ________ ________. 14.Collection, recording, marking and __________ of _________. 15.Final survey to ensure conditions of the crime scene have been ____________ as thoroughly as possible

16.Release scene after to ensure that all ________ is appropriately collected, marked for identification, and properly documented. 17.Debriefing. 18.Notify next of ____. 19.Transport ________, body, etc. 20.Create ____ file Continued:

21.____ results, autopsy, etc. 22.Press _______ or _____ conference. 23.Follow-up _____________. Refer to department policy/protocol for particular order of steps Note: Refer to department policy/protocol for particular order of steps Continued:

3.1.2 Preliminary Investigation Methods A. A. Basic steps of a preliminary investigation. 1. Upon arrival at the scene, _________ if a ______ has been committed. (The specific crime and elements of the offense.)

2. Cautiously approach and enter the _____ _____, perform a “____ _______,” remaining observant of any person, vehicles, events, potential evidence, and environmental conditions. 3. Provide _____ ___ to injured persons and request emergency medical attention, if necessary. 4. Determine if a _______ is involved and secure it Continued:

5. Locate and interview victims and witnesses. Keep witnesses _________. Be aware of any persons or vehicles attempting to leave the scene. 6. Obtain identification of ___________’ name, date of birth, address, residential telephone number, place of employment, and work phone number and other important information. _____ 7. Document specific information in “____ _____” regarding the crime scene

8. Identify and ______the person responsible, if possible. Determine whether a “_____ _______" would be of value (if the suspect is still in the vicinity). 9. Conduct a “neighborhood or ____-to- ____ canvass,” if necessary. 10. Remain _____ and _________. 11.Follow agency policy Continued:

3.1.2 (B.) Field Notes skills style 1. Good report-writing skills and style are necessary. notetaking 2. Develop a note-taking system, such as using initials instead of complete names. However, do not make it difficult for others to interpret your notes.

3. Use spiral notebooks, interview field (IF) cards, tape records, or other. 4. Obtain and record the follo9wing information: (B.) a. ____b. ____c. _____ d. _______e. ____ f. ___ Continued:

WHO observed the crime? Saw the suspects? Committed the crime? Had a ______ for committing the crime? Accompanied the suspect? Called the police? Is/was the victim? (B.)

WHAT ______ was committed? Was stolen, damaged, or otherwise affected? ________ has been located? __________ were made? Additional information is needed? (B.)

WHEN Was the crime ________? Did the crime occur? (____) Were the police notified? When did you arrive on scene? Was any ________ located? ______ are essential to your case (B.)

WHERE Did the crime occur? (________) Was the ________ located? Do the suspects _____? Do the witnesses live? Was _____ on victim found? (B.)

WHY Was the crime committed? Was that victim chosen? Was that location chosen? Was that specific property taken? (B.)

HOW Did the suspects get in? Was the crime committed? Was evidence discovered? Was victim found? (In what physical and/or mental condition) (B.)

3.1.2 (C.) Crime Scene Protection 1. Protect the crime scene from ___________, contamination, or removal of ________ and loss of property. 2. If necessary, use street barricades, ropes, “____ ____" tape, or additional personnel around the perimeter to keep unauthorized persons out.

3.1.2 (D.) Potential Evidence 1. Once evidence has been located, remind personnel not to _____, _____, or ______ the items, in any way, until the evidence has been: a. ____________.. b. ________. c. __________. d. Ready to be ________, ______, and _________

3.1.3 Chain of Custody A. A. A ______ of all individuals who handle the evidence, as well as any details of events. B. B. ____________ should begin during the preliminary investigation. C. C. Ensure that _________ tags are created

D. Each time the ________ exchanges possession from one person to another, or moves from one location to another, the investigator must record this transaction. E. It is critical to ______ all pertinent information possible and maintain the chain of custody. F. Always follow department _____ & __________ and protocol 3.1.3Continued:

3.1.4 Final Survey of the Crime Scene A. A. Consists of a final “_____ _______” of the crime scene. B. B. Ensures that ________ has been collected and scene has been processed prior to release. _____________

C. C. Ensures that ________, equipment, or materials are not inadvertently left behind and dangerous materials or conditions have been reported and addressed. D. D. During the ____ ________, the following should be ensured: Each ___ identified as part of the crime scene is visually _________ 3.1.4Continued:

D.2. D.2. All evidence _________ at the scene is _________ for. D.3. D.3. All _________ and materials generated by the investigation are _______. D.4. D.4. Any _________ materials or conditions are reported and addressed. D.5. D.5. Crime scene is ________ in accordance to department policy 3.1.4

3.1.5 Debriefing Search Team A. A. Usually established and conducted by ____________ (s) who are in charge of the search. B. B. Conducted after the final ______ is completed.

C. C. Enables law enforcement personnel and other responders to _____ ________ regarding particular _____ findings prior to releasing the scene Continued:

D. D. Provides an opportunity for input regarding future follow-up investigation, special requests for assistance, and the establishment and verification of post-scene responsibilities (Body identification, notification, press relations, and evidence transportation) Continued:

E. E. Determines/identify the need for a specialist (e.g. crime laboratory technicians, social services, entomologists, OSHA). F F. Communicate with the _________ about responding to the scene or to schedule an autopsy, if necessary Continued:

G. G. Share investigative data (if collaborating with other law enforcement agencies/jurisdictions) Continued:

H. H. Helps in following ways: 1. Determine what evidence was collected 2. Discuss preliminary scene ________ with team members. 3. Discuss potential technical forensic testing, crime laboratory, storage facility, and the sequence of tests to be performed Continued:

I. I. Good opportunity for investigators and other responders to ensure that the crime scene search is ________. J. J. Allows law enforcement officials to prepare a _____ _______ or public ______ conference, if necessary 3.1.5Continued: Remember the “_______” can help you find perpetrators !

K. K. Allows the investigator (s) in charge make special requests and to remind all __________ of maintaining confidentiality of case. L. L. Follow agency policy and protocol Continued: __________

3.1.6 Case File A. A. _______ and other documents are compiled into a case file by the investigator(s) in charge of the search. B. B. The file is a ______ of all actions taken and evidence collected at the scene

C. C. This documentation allows for independent ______ of the work conducted, or if preparing a case for prosecution. D. D. A case file contains the following information: 1. Initial __________ ________ (s) documentation. 2. Emergency _______ personnel documentation Continued:

3. Entry/exit ____________. 4. ___________/______. 5. Crime scene ________ & ________. 6. ________ documentation/copies of tags D.Continued:

7. Other ____________ documentation. 8. Record/copy of _______ form or _______ warrant. 9. Forensic _______, as they become available D.Continued:

Case Reading File 10. Case Reading File. a.Time/date activity log. b.Chronological order from oldest to newest entry. c.Short summary of what you do concerning this case. d.Ready reference tells you what you need to do and by when. NEW D.Continued:

3.1.7 Follow-Up Follow-Up Investigation A. A. Reasons for conducting a follow-up investigation. leads 1. Conducted to follow-up on leads pertinent to the case once the preliminary investigation has been concluded.

2. Should be based on what is __________ or _______ during the preliminary investigation. 3. Consists of ______-_______ on addresses, possible escape routes, and other _____ that may provide important new information AContinued:

B. Tasks performed in a follow-up investigation include the following: 1. Analyzing _______ and documents to ensure ________. 2. Reviewing official departmental _______and ____ for more evidence. 3. Gathering information on _______ and __________ of suspect (s) Continued:

4. Examining the ________ background. 5. Checking police ___________ files to develop potential suspect (s). 6. Organizing police _______, such as neighborhood canvassing, raids, and search warrants B Continued:

Questions?

SOURCES DOJ Research Report, Death Investigation: A Guide for the Scene Investigator, November DOJ Research Report, Eyewitness Evidence: A Guide for Law Enforcement, October 1999.

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