_____8. Explain how examining a foot or shoe impression can provide evidence of a person's gait by examining:
a. length of the stride
b. where pressure is exerted
c. shape of the impression
_____9. Describe wear patterns and other evidence on shoes that could be used to help identify a particular person.
_____10. Discuss the importance of photographing a foot or shoe print before trying to lift a latent print or make a cast.
_____11. Explain the purpose of dusting latent prints prior to attempting to lift the print.
_____12. Describe how electrostatic dusting of foot or shoeprints helps to lift a print.
_____13. Explain how the use of luminol can help identify an area of latent blood smears.
_____14. Describe an advantage of using either electrostatic or gel lifting methods to reveal latent prints over using powders and lifting tape.
_____ 15. Compare and contrast gel lifting a latent footprint with lifting a fingerprint using tape.
Casting Foot Impressions
_____16. Compare and contrast casting an impression of shoe or footprint and lifting a fingerprint.
_____17. Explain the role of spraying hair spray prior to casting an impression.
_____18. Explain the purpose of adding twigs to the impression.
_____19. Describe how to cast an impression in sand using plaster of Paris.
_____20. Compare and contrast the use of dental stone to the use of plaster of Paris to cast impressions in snow.
_____21. Explain how tire evidence found at a crime scene can provide clues to:
a. the type of car that left the tire evidence
b. the direction of travel
c. when or if a car applied the brakes
_____22. List examples of how tires can leave plastic impressions at a crime scene.
_____23. Distinguish between track width and the car's wheelbase.
_____24. Explain how to measure the
a. track width
b. wheelbase of a vehicle
_____25. Explain how to measure the turning diameter of a car.
_____26. Compare track width, wheelbase, and turning diameter with data on a suspect's car to determine if the data are consistent with the crime-scene evidence.
_____ 27. Describe different physical features of tire treads that help to identify a particular model of tire. Include in your answer:
measurements of ridges and grooves
number of ridges and grooves
angle of ridges and grooves
_____ 28. Describe wear patterns on tires that would help to identify a specific car. Include in your answer:
c. damaged tire (s)
_____29. Provide an example of how tire impression evidence obtained from the crime scene can lead to the identification of a car.
_____ 30. Distinguish between a tire skid and a tire yaw in terms of:
a. direction of travel of the car when the marks were produced
b. direction of striations
c. how the marks were produced
_____31. State the significance of identifying tire scrub marks at an accident scene.
_____32. Describe an example of how skid marks left at crime scene can help determine who is at fault in a collision.
_____ 33.Describe how the following can provide evidence of the direction of travel of a vehicle:
direction of travel of the vehicle when the skid or yaw marks were produced
site of the collision
_____ 36. List questions that need to be addressed when reconstructing the events leading to an accident.
_____37. List four factors that need to be considered when applying the skid-to-stop formula for estimating speed at the time of impact during accident reconstruction.
_____ 38. Explain how to make a tire impression using:
a. fingerprint ink
b. plaster of Paris
_____ 39. Apply Locard’s Principle of Exchange to bite marks.
_____ 40. Relate the structure of teeth to the durability of tooth evidence.
_____ 41. Describe changes in teeth during aging that would contribute to (or detract from) the individuality of bite marks.
_____ 42. Describe how the number and type of teeth change from early development into old age.
_____ 43. Determine if a child or an adult left a bite impression by analyzing the dental impression.
_____ 44. Describe at least four factors that would contribute to the individuality of bite-mark evidence.
_____ 45. Describe different types of measurements that can be taken when analyzing dental impressions.
_____ 46. Describe how to take a dental impression from a suspect.
_____ 47. Describe how to prepare transparency overlays of the dental impression.
_____ 48. Analyze a bite mark found at a crime scene with the dental impression of a suspect.
_____49. Discuss evidence reliability of bite-mark evidence and measures currently being taken to improve its reliability.
Evidence Collection of Impression Evidence
_____50. Discuss the importance of first taking a photograph of any impression evidence.
_____51. Describe how to best photograph impression evidence.
_____52. Sequence the correct order of events when examining impression evidence: