CRIME SCENE ANALYST IAI REVIEW QUESTIONS AND ANSWERS FULLY SOLVED 100%

CRIME SCENE ANALYST IAI REVIEW QUESTIONS AND ANSWERS FULLY SOLVED 100% Define the term Evidence ans- Something legally submitted to a competent tier of fact as a means of certainty the truth of any allege matter under investigation Give examples of testimonial and real evidence ans- Eye witness, DNA, fibers, prints Which of the following pieces of evidence would be more probative in associating the defendant to the victim in a murder trial ans- A bloodstain found on the defendant's jacket taht subsequently matches the victim's DNA List the identifying information that should be listed on the container when collecting evidence at a crime scene ans- 1. Name of person collecting 2. Dates of collection/transfer 3. Agency, case #, type of crime 4. Property tag # 5. Victim/suspect name 6. Storage location 7. Description of item (T/F) When collecting evidence, the general rule is that more is better than less ans- True Which of the following would be considered a known sample ans- Buccal swabs from the suspect You arrive at the scene of a homicide and see a blood-soaked shirt on the floor. Once it is properly documented, which of the following containers should you place it in for transportation to the crime lab? ans- Paper bag The forensic practitioner's sole obligation is to serve the aims of ans- The legal system (not to over/under state scientific findings, unbias) Which organization has a profession code of ethics that is applicable to forensic science laboratory ans- The American Society of Crime Laboratory Directors List some testifying tips that can be used when undergoing cross examination ans- 1. Be prepared 2. Ask for clarification 3. Talk to the jury 4. Layman's terms Which of the following is a major task that the first res ponder must be concerned with ans- Protecting the crime scene Which of the following principles is associated with processing crime scenes and is often summarized by "every contact leaves a trace" ans- Locard Exchange Principle Describe why it is important for the first responder to record the time associated with a crime scene investigation ans- 1. Checking a suspect's story 2. Precision and credibility to officer's statement When entering a crime scene, the first responder should proceed with extreme caution and concentrate their attention to possible evidence at which locations ans- 1. Places that evidence could be destroyed easily 2. Focal points of the scene List some of the points that should be covered when taking notes on the condition of the crime scene ans- 1. Smells 2. Temp 3. Doors open/closed 4. Lights on/off 5. Time indicators 6. Signs of activity When is it appropriate for the first responding officer to move a piece of evidence ans- When he is charged with the responsibility of processing the scene for physical evidence You are called to the scene of a sexual assault that took place at a park. Describe how you would secure the scene ans- 1. Clear scene 2. Large area of crime scene tape 3. Observe disturbed nature The position of __________ and ___________ may reveal the direction of the shot and possible location of the assailant ans- Bullets, cartridge cases Describe the proper procedure when dealing with multiple witnesses at the scene of a crime ans- Separate them as soon as possible List five crime scene 'dos' and five crime scene 'donts' ans- Do: 1. Limit access to the scene 2. Note original conditions 3. Photos with 90 degree angle and L scales 4. Call crime scene 5. Record location of evidence before moving Dont: 1. Touch anything unecessarily 2. Use routes suspect used 3. Fail to document contamination 4. Allow evidence to be compromised by nature 5. Photos without scales List the seven key objectives of a crime scene investigator ans- 1. Reconstruct the scene 2. Ascertain the sequence of events 3. Determine the mode of operation 4. Uncover a motive 5. Find out criminal may have done 6. Recover physical evidence 7. Identify suspect/victim The notion of ___________ in criminal investigations is a key factor to the solution of the case ans- Teamwork Which of the following can be a benefit of doing a complete and thorough investigation ans- A confession can be substantiated Whit important lesson can be learned from the OJ Simpson trial ans- Appearance and perception as well as the ability to communicate effectively to the jury are equally important (T/F) There are always cases where guidelines cannot be followed ans- False The national report issued by National Academy of Sciences has focused attention on which of the following ans- Crime scene work The start of the crime scene investigation begins with documenting the scene. This process includes the following: ans- 1. Photography/video 2. Investigation of scene 3. Sketching 4. Note taking