Forensic Science II Blood Spatter PD

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Across
  1. 3. smaller droplets of blood projected from larger drops of blood upon impact with a surface
  2. 4. without a defined shape or form
  3. 8. a collection of mineral crystals formed into a recognizable pattern
  4. 13. two-dimensional view of the intersection of lines formed by drawing a line through the main axis of at least two drops of blood that indicates the general area of the source of the blood spatter
  5. 16. location of the blood source viewed in three dimensions as determined by projecting angles of impact of individual bloodstains
  6. 17. a fiber produced naturally and harvested from animal, plant, or mineral sources
  7. 18. a mathematical method of estimating positions of objects at a location such as a crime scene, given locations of stationary objects
  8. 21. the passing of evidence, such as a fiber, from victim to suspect or vice versa
  9. 22. a lengthwise yarn or thread in a weave
  10. 26. reasoned from facts
  11. 28. a multidisciplinary approach in which scientific and legal professionals work together to solve a crime
  12. 29. one of several reference points of known coordinates marked from a measurable distance and direction from the datum point
  13. 30. substance that provokes an immune response in the body
  14. 31. evidence used to imply a fact but not support it directly
  15. 37. the transfer of evidence such as a fiber from a source to a person, and then to another person
  16. 39. small, repeating molecules that can link to form polymers
  17. 43. the combination of details in the shapes and positions of ridges in fingerprints that makes each unique; also called ridge characteristics
  18. 44. evidence that is consistent when retested
  19. 45. a fiber made from a manufactured substance such as plastic
  20. 47. small but measurable amounts of physical or biological material found at a crime scene
  21. 48. smeared blood pattern created when an object moves through blood that is not completely dried
  22. 50. fibers that have been spun together
  23. 54. a form used to record and preserve a person’s fingerprints
  24. 59. the number of ridges between the center of a delta and the core of a loop
  25. 62. a crosswise yarn or thread in a weave
  26. 63. using science to help resolve legal matters
  27. 64. geometrically shaped
  28. 65. a long strand of fiber that is composed of thinner fibers spun together
  29. 66. a visible fingerprint that happens when fingers coated with blood, ink, or some other substance touch a surface and transfer their fingerprint to that surface
  30. 67. a possible explanation of a question or problem based on prior knowledge or observation
  31. 68. the attraction between molecules of like substances
  32. 69. FBI-developed national database of more than 76 million criminal fingerprints and criminal histories
  33. 70. a microscope that uses a beam of electrons to produce a 3-D view of a very small sample under great magnification up to 10,000,000 times
  34. 72. a microscope that uses a filter to produce parallel light rays to view the 3D structure of solid samples
  35. 73. uses measurements and statistical analyses of someone’s physical characteristics to aid in their identification
  36. 74. a triangular ridge pattern
  37. 75. a folded paper used to hold trace evidence
Down
  1. 1. blood projected onto a surface as a result of being flung from an object in motion
  2. 2. a concealed fingerprint made visible through the use of powders or forensic techniques
  3. 5. a location other than the primary crime scene, but that is related to the crime; where evidence is found
  4. 6. a permanent, fixed point of reference used in mapping a crime scene
  5. 7. what a person perceives using their senses
  6. 9. a kind of evidence that identifies a particular person or thing
  7. 10. a flexible, flat material made by interlacing yarns
  8. 11. a fingerprint pattern that resembles a bullseye
  9. 12. the location where the crime took place
  10. 14. the first safety official to arrive at a crime scene
  11. 15. evidence properly collected and documented that truthfully supports a claim based on objective, scientific data from reliable sources
  12. 19. proteins secreted by white blood cells that attach to specific antigens
  13. 20. the documented and unbroken transfer of evidence
  14. 23. the attraction between molecules of unlike substances
  15. 24. an impression left on any surface that consists of patterns made by the ridges on a finger
  16. 25. elongated blood streak radiating away from the center of a bloodstain
  17. 27. reaction in which antibodies attach to specific antigens; causes agglutination in cross blood-type transfusions
  18. 32. substance composed of long chains of repeating molecules
  19. 33. a fingerprint pattern in which the ridge pattern originates from one side of the print and continues to the other side
  20. 34. clumping of cells caused by an antigen–antibody response
  21. 35. deriving a conclusion from the facts using a series of logical steps
  22. 36. a hypothesis of the sequence of events from before the crime was committed through its commission
  23. 38. personal belief founded on judgment rather than on direct experience or knowledge
  24. 40. a microscope that uses light waves between visible light and X-rays as its light source to produce various identifying colors in a sample
  25. 41. blood pattern resulting from a lateral transfer from a moving source onto another surface
  26. 42. the smallest indivisible unit of a textile
  27. 46. the recognizable pattern of the ridges found in the end pads of fingers that form lines on the surfaces of objects in a fingerprint. They fall into three categories: arches, loops, and whorls
  28. 49. a three-dimensional fingerprint made using soft material such as clay, soap, or putty
  29. 51. blood drop created solely as a result of gravity
  30. 52. evidence that (if authentic) supports an alleged fact of a case
  31. 53. angle at which blood strikes a target surface relative to the horizontal plane of the target surface
  32. 55. a fingerprint pattern in which the ridge pattern flows inward and returns in the direction of the origin
  33. 56. the ability to identify a concept or problem, isolate its component parts, organize information for decision making, establish criteria for evaluation, and draw appropriate conclusions
  34. 57. a microscope that uses infrared light as its source for viewing a sample’s heat profile
  35. 58. information received from the senses
  36. 60. a person who has seen someone or something related to a crime and can communicate their observations
  37. 61. a statement or information that can be verified
  38. 71. a center of a loop