INTERMEDIATE CRIME SCENE SEARCH TCOLE Course 2106 32

INTERMEDIATE CRIME SCENE SEARCH TCOLE Course # 2106 32 to 40 hours AND BCCO PCT #4 Power. Point UNIT TWO

Learning Objectives Learning Objective 2. 1 The student will be able to summarize a process for preparing a crime scene investigation. Learning Objective 2. 1. 2 The student will be able to explain important considerations for establishing a command post center and a search team. Learning Objective 2. 1. 3 The student will be able to identify a guideline for determining the search method and a starting point of the search. Learning Objective 2. 1. 4 The student will be able to list the various types of search methods. Learning Objective 2. 1. 5 The student will be able to identify some investigative tools and equipment that are recommended for performing crime scene searches. Learning Objective 2. 1. 6 The student will be able to identify samples of evidence collection kits recommended for crime scene searches

UNIT 2 Preparing for a Crime Scene Investigation

2. 1. 1 Organizing a plan of action A. Mentally reconstruct the crime based on: 1. Information from the _______(s). 2. Quick _____/_____ of the scene. 3. ________ that is in plain view.

2. 1. 1 Establish an organized plan of action 1. Basic guideline include: a. Assign ___ person to be in charge. b. Establish a _____ post ______ (headquarters) consisting of a search team, tools and equipment, communications, etc.

1. 2. 1. 1 Basic guideline include: Cont’d c. Task assignments should be disseminated in _______; verbal direction may be misinterpreted or simply disregarded. d. Personnel given assigned tasks must be made aware of the ____ of their ______; no assumptions can exist in this area.

2. 1. 1 1. Basic guideline include: Cont’d e. Trading of assignments should not to permitted without _______ by the officer in charge. f. Utilize a _____ checklist or other method to insure a duplication of job effort is avoided

2. 1. 1 1. Basic guideline include: Cont’d g. Make assignments concurrent with the aptitude and training of the personnel involved. h. Do not permit personnel to begin the search until a briefing has been conducted describing the goals and direction of the search to all persons involved.

2. 1. 1 1. Basic guideline include: Cont’d i. Make no inferences that one duty is of _______ or _______ significance than other tasks. j. Written _______ are to be submitted for all assignments.

1. 2. 1. 1 Basic guideline include: Cont’d k. For _____ crime scenes searches, establish an area in a separate location for communication and decisionmaking. l. Ensure that _____ with all ____ in multi-jurisdictional crime scene searches are coordinated.

2. 1. 2 Establishing Command Post & Search Teams A. Establish a ______ and assemble personnel outside the area to be searched. Bexar County

Continued: 2. 1. 2 B. This command center can also be used for providing _____ and wardrobe, special _____, food and shelter, medical assistance, duty/shift assignments, and security to personnel.

Continued: 2. 1. 2 C. In order to resolve any questions during the crime scene search, establish contact between medical ____, _____ personnel, and the Bexar County District Attorney.

D. Relevant information given to the search party should include: 1. Basic ______ on the crime that was committed. 2. The type of _____ to be sought and reasons. 3. The ______ method(s) to be used. 4. _____ for proper evidence recovery.

Continued: 2. 1. 2 E. The need for a careful and thorough search must be emphasized to the search party. 1. A _____ attitude is contagious and results in a _____ search. 2. Emphasize the _____:

2. 1. 2 E. 2. – Cont’d: a. That ____ will always be located if the time and effort are expended in a methodical manner. b. That nothing is to be ____ from consideration and the search will not be concluded until personnel are certain all possibilities have been explored. c. Extensive/detailed ____ taking.

Continued: 2. 1. 2 F. Remind the party to _______ with: 1. _______. 2. ______ movements. G. Provide some means of ______, such as radio contact between the search parties and the officer in charge.

Continued: 2. 1. 2 H. The _____ responsibility is to ensure a complete, thorough and careful ______ of all areas. This may require a _______ of areas previously covered. 1. An effective procedure for _____ is to: a. Alternate ______ groups. b. Alternate _______ within the groups.

2. 1. 3 Determining the search method & starting point A. Determine the ______ method 1. Consider the ____ and ____ of area to be searched. 2. Consider _____ and _____ necessary and available.

Continued: 2. 1. 3 A. 2. a. Indoor scenes, depending on their size and content, usually require only a _-______ team. b. Outdoor scenes, performed by ___ or more individuals, are more effective as long as the search is well _____.

Continued: 2. 1. 3 A. 3. Consider the degree of thoroughness required depending on the following: a. _____ committed. b. Physical ____ sought. c. ____ of the search.

Continued: 2. 1. 3 B. Determine the starting point of the search. 1. Since all crime scenes are ______ in ______ and _______ there can be no set procedure that will apply in each search. 2. Each ______ must be _______ and thoroughly _______ to ensure complete coverage of the search area.

2. 1. 4 Search Methods A. Strip or line search 1. This method, in both _______ and _______ form, is among the most effective for outside searches due to its thoroughness. 2. ______ and _____ are useful in setting up lanes. 3. Natural _____ may be used as boundaries or lane markers.

A. 4. A. Descriptions: 2. 1. 4 a. Single _____ search. b. Double strip (_____) search. B. Circular (spiral or concentric) search. 1. This type of search is useful when an item is ______ from the _______ and the search must be conducted rapidly. 2. The search may begin in the _______ working _______, or vise-versa as the circumstances dictate.

2. 1. 4 C. Quadrant, sector or zone search. 1. This type of search is effective for indoor and outdoor scenes that have regular patterns or defined borders. Continued: 2. This type of search also permits different types of searches in the different sectors

Continued: 2. 1. 4 C. 3. Description: a. Subdivide the scene into ____ or _______, such as dividing: (1) A building into ______. (2) A bookshelf into ____. (3) A vehicle into ____.

2. 1. 5 Investigative Tools (For Crime Scene Processing) Processing • ______ (Universal Precautions). • Writing implements (pens, pencils, markers). • _____ bags. • ______ equipment (cell phone, pager, radio). • _____.

Continued: 2. 1. 5 • Body ID tags. • Camera – 35 mm (with extra batteries, film, etc. ). With FLASH • Investigative ____ (for scene notes, etc. ). • Measurement instruments (tape measure, ruler, rolling measuring tape, etc. ).

2. 1. 5 Official identification (for yourself). _____ (for hands, feet, etc. ). Specimen _____ (for evidence items and toxicology specimens). ______ (Universal Precautions). Agency crime scene forms. Continued: • • •

2. 1. 5 Blood collection ______ (syringes and needles). ____ lists (clothes, drugs, etc. ). Paper _____. Clean white linen sheet (stored in plastic bag). ____ tape, seals and identifier. Foul-weather gear (raincoat, umbrella, etc. ) SEE HANDOUT Continued: • • •

Continued: 2. 1. 5 • Medical equipment kit (scissors, forceps, tweezers, exposure suit, scalpel handle, blades, disposable syringe, large gauge needles, cotton-tipped swabs, etc. ). • Phone _______ (important phone numbers). • _____ or ________

Continued: 2. 1. 5 • Disposable (paper) jumpsuits, hair covers, face shield, etc. • ____ seal (use with body bags/locks). • _____-covers • ________ kit (tape, etc. ). • Waterless hand wash. • ______. • Crime scene tape.

Continued: • • • _____ kit. ______ kit. Local maps. Plastic _____. Gunshot residue analysis kits (SEM/EDS). • Photo placards (signage to ID case in photo). • Boots (for wet conditions, construction sites, etc. 2. 1. 5

Continued: 2. 1. 5 • Hand lens (_____ glass). • Portable electric area ____. • Barrier sheeting aka, privacy screens (to shield body/area from public view). • ______ mask (disposable) respirator with filter • Reflective vest. • _____/_____ recorder

Continued: 2. 1. 5 • Basic hand tools (bolt cutter, screwdrivers, hammer, shovel, trowel, paintbrushes, etc. ). • Body bag locks (to secure body inside bag). • Personal comfort supplies (insect spray, sun screen, hat, etc. ). • Presumptive blood test kit. • Chalk.

Continued: 2. 1. 5 • Directional ______/_______. • _____ – to protect evidence from weather. • Traffic cones. • Consent/search forms. • Crime scene barricade tape. • ______. • Personal protective equipment (PPE). • Bindle paper.

• • • 2. 1. 5 _____ bags. Body _____ collection kits. Casting materials. High density lights. Permanent markers. ______ paper. Tool kit. Business cards. Chemical enhancement supplies.

Continued: 2. 1. 5 • Entomology (insect) collection kit. • Extension cords. • Forensic light source (alternate light source, UV/amp/laser, goggles. ) • Generator. • Gunshot residue kit. • Laser trajectory kit. • Marking paint/snow wax.

Continued: • • 2. 1. 5 Metal detector. Mirror. Protrusion rod set. Refrigeration or cooling unit. Roll of string. Shoe print lifting equipment. Templates (scene and human). Trajectory rods.

2. 1. 6 Evidence Collection Kits

Blood Collection • Bindle. • Coin envelopes. • Disposable scalpels • ____ water. • Ethanol. • Evidence identifiers. • ______ gloves 2. 1. 6 Fingerprint • Black and white film. • _______. • Chemical enhancement supplies. • _______ (super glue) wand/ packets. • _____.

Blood Collection Continued • Photographic ruler (ABFO scales). • Presumptive Chemicals. • _______ gauze. • Sterile swabs. • Test tubes/test tube rack. Fingerprint Continued • Forensic light source. • _____. • Measurement scales. • One-to-one camera. • _______. 2. 1. 6

2. 1. 6 Bloodstain Pattern Documentation • • ABFO scales _____ Laser pointer. Permanent markers. • _____. • String • Tape. Impression • Bowls/mixing containers • ______. • Dental stone (die stone • ____ identifiers • Measurement _____ • Permanent _______ • Snow print • _____.

Excavation • Cones/markers • Evidence ______ • Metal detectors • ______. • Shovels/trowels • ______ screens • String 2. 1. 6 • Weights • Wooden/metal stakes Tool Marks • Casting materials

2. 1. 6 Trajectory • • Calculator Canned Smoke Dummy ______ Mirror _____ String _____ rods Pattern Print Lifter • Chemical enhancement supplies • ______ dust lifter. • ___ • Wide format lift tape

2. 1. 6 • • Trace Evidence Collection Acetate sheet • Forceps/tweezers protectors • Glass vials Bindle paper • Slides and slide Clear mailers tape/adhesive • Trace evidence lift vacuum with Flashlight disposal (oblique collection filters lighting).

Questions?

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

THANK YOU STAY SAFE & STAY VILIGANT This Power. Point and all associated lesson materials herein are the property of BCCO PCT#4