Unit 1 ReviewCrime Scene Basics & Eyewitness Basics

T. Trimpe 2006 http://sciencespot.net/

Name ______________________________________

Crossword

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2. A person that may have committed a crime5. The first step in analyzing a crime scene; used to

determine the nature of the crime, possible suspects,eyewitness accounts, etc.

6. The last step in analyzing a crime scene whereevidence is collected

7. Evidence that includes eyewitness accounts of anaccident or crime

9. An alternate crime scene where additional evidenceof a crime may be found

11. Software program used to create facial compositesusing information from eyewitnesses

13. Statement of where a suspect was at the time of acrime

14. Type of evidence found in blood, body fluids, andtissues that contains genetic information

1. A person associated with suspect that may havecommitted a crime

3. Crime scene that is the original location of a crime oraccident

4. Can be classified as arches, loops, or whorls7. Physical evidence that is found at a crime scene in

small, but measurable amounts8. Evidence found at a crime scene in the form of a

physical object10. Combined DNA Index System used by law

enforcement to identify DNA samples from a crimescene

12. Intentionally setting a fire to cause damage or todestroy evidence of another crime

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Spelling counts!

Answer each question to the best of your knowledge. A. What are the four steps used to analyze a crime scene?

 

B. What type of evidence does the FBI consider to be the most valuable? ______________  

C. List three ways investigators use evidence collected at a crime scene.   • May prove that a crime has been committed

• Establish any key elements of a crime• Link a suspect with a crime scene or a victim• Establish the identity of a victim or suspect• Corroborate verbal witness testimony • Exonerate the innocent. • Give detectives leads to work with in the case

Need 3 ways

3 points

Interview Examine Document Process4 points

DNA

1 point

D. Write the correct letter in each blank to identify each person involved in a crime scene investigation.  A. POLICE OFFICERS B. CSI UNIT C. DISTRICT ATTORNEY D. MEDICAL EXAMINER E. SPECIALISTS F. DETECTIVES

        E. What are three factors that might affect a person's ability to remember what happened during a crime or to identify a suspect? Explain each one.

Possible answers include: Age, race, drug use, outside influence, level of trauma, length of time, characteristics of a suspect (tattoos, scars, etc.), and the time of day

Need 3 things + explanation

6 points

Interviews witnesses and works with the CSI unit to investigate the crime

Usually the first to arrive at a crime scene; responsible for securing the scene and detaining persons of interest

Determines the preliminary cause of death at the crime scene and conducts the autopsy

Helps to determine if any search warrants are required to proceed and obtains those warrants from a judge

May be called in if an expert is needed to analyze insect evidence or skeletal remains

Documents the crime scene in detail and collects any physical evidence

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What’s your grade?

-1 = 97-2 = 94-3 = 91-4 = 89-5 = 86 -6 = 83-7 = 80

35 Points Total

Miss more than 14? I’ll figure the grade!

-8 = 77-9 = 74

-10 = 71-11 = 69-12 = 66-13 = 63-14 = 60