Forensics Semester exam review 2020 PDF

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A review for Forensics...

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Semester Final Exam True/False: Indicate whether the sentence or statement is true or false . A kind of evidence that identifies a particular person or thing is called individual evidence. Our emotional state often influences our ability to see and hear what is happening around us. A crime scene photographer should photograph evidence after moving it for better lighting. Twins don’t have the same fingerprints AFIS can produce a match on a fingerprint in a matter of seconds There is no international standard for the number of identification points to make a match in AFIS. The exact height of a suspect can be determined by using shoe prints. There are only two basic types of impressions--patent and latent. Before anyone touches or alters an impression, it should be photographed. Multiple Choice: The Purpose of The Innocence Project is to reexamine post-conviction cases (individuals convicted and in prison) using: Direct evidence includes: Circumstantial evidence is: Trace evidence is a type of circumstantial evidence, examples of which include all of the following EXCEPT: Locard’s Principle implies all of the following EXCEPT Use the following narrative to answer questions At the scene of the crime, the evidence collector found a damp, bloody shirt fragment. The evidence collector quickly wrapped the cloth in a paper bindle. He inserted the paper bindle with the cloth into an evidence bag. The bag was sealed with tape, and the collector wrote his name across the tape. The evidence collection log was completed and taped to the evidence bag. What should the evidence collector have done differently? The evidence from this crime-scene is i. Direct ii. Circumstantial

iii. Biological

iv. physical

Use the following narrative to answer questions You have recovered the following in connection with a criminal investigation. A) A metal chain which may have been used as a weapon was found in a trash can at a highway rest

stop 2 miles away from where the victim was discovered in an abandoned car. B) A bottle was found in another trash can at a campsite where your prime suspect was discovered and arrested. Your suspect claims that he has no connection to the bottle, the chain, or the murder. The following is the evidence found at the scene I. blood (used for typing) from the victim II. DNA from the victim III. hair from the victim

What trace evidence might be found on the suspect?

Which piece(s) of evidence would be classified as class evidence?

Which piece(s) of evidence would be classified as individual evidence?

Each answer may be used more than once or not at all. a. direct evidence d. individual evidence b. trace evidence e. class evidence c. circumstantial evidence material that connects an individual or thing to a certain group small but measurable amounts of physical or biological material found at a crime scene evidence that (if true) proves an alleged fact, such as an eyewitness account of a crime a kind of evidence that identifies a particular person or thing evidence used to imply a fact but not prove it directly

Each answer may be used more than once or not at all. a. trace evidence c. biological items b. dry item d. liquid items

Needs to be secured in a bindle before being placed in a sealed plastic or paper container possibly being placed in a bindle and secured in a breathable container like a paper bag placed in an airtight, unbreakable container placed in a plastic or paper container should be air dried before placed into a porous contain such as a paper bag are items such as blood, semen or saliva

Use the prints above to answer questions and assume all of these prints are from the left hand Which of the above is a double whorl Which of the above is an arch Which of the above is a radial loop Which of the above is an ulnar loop Which of the above is a plain whorl

_____________—visible prints transferred onto smooth surfaces by blood or other liquids ______________—indentations left in soft materials such as clay or wax

______________—made visible by dusting with powders or the use of chemicals

Use the print to the right to answer questions Use the following answer choices to answer questions a. Ridge Ending b. Bifurcation c. Island d. Lake/Eye e. Bridge Identify the minutiae (ridge characteristic) labeled A Identify the minutiae (ridge characteristic) labeled B Identify the minutiae (ridge characteristic) labeled C Identify the minutiae (ridge characteristic) labeled D Identify the minutiae (ridge

characteristic) labeled E

The most common type of fingerprint is _____________

Use the print to the right to identify the correct fingerprint type Which fingerprint pattern is in the above print if the print was taken from the left middle finger?

Indicate each example as individual evidence or class evidence in questions a.

individual

b.

class

A cast of a suspect’s shoe is a men’s size 10. The wheelbase of a suspect’s car is 2761 mm A bite mark photograph shows a chipped upper lateral incisor and a uniquely shaped lower second molar A shoe print indicates the wearer weighed 234 pounds A shoe print showed a 2 cm by .5 cm. cut in the 3rd tread ridge of the right shoe A femur Who stated in his principle that whenever objects come in contact with each other, there is a crosstransfer/exchange of evidence? Know as the father of Forensic toxicology Conducted the first definitive study of fingerprints and their classification An area in which the relationship between human behavior and legal proceedings is examined. An area concerned with failure analysis, accident reconstruction, and causes and origins of fires or explosions. Unit that examines body fluids and organs for the presence of drugs and poisons Unit that processes and examines evidence for latent fingerprints An expert witness must PROCESSING THE CRIME SCENE Place the following statements in order using the numbers 1-5. ▣ ____Document the scene

▣ ▣ ▣ ▣

____Collect and package the evidence while maintaining the chain of custody ____Submit the evidence for analysis ____Isolate and secure the scene ____Search for evidence

MULTIPLE CHOICE—ANSWER THE FOLLOWING QUESTIONS USING CAPITAL LETTERS FOR YOUR ANSWERS. ____ Which of the following is NOT a method of recording the crime scene? ____When surveying the crime scene, what should be done first? ____Who certifies a body as “dead?” ____While collecting evidence, you see an inconspicuous item. What next? ____What should be included in most photographs? ____There is an injured victim at a crime scene & a possible suspect jumps out a window. What next? ____ Which of the following is NOT part of a sketch? ____ What is the downfall of a grid search? ____When collecting evidence, what must try to be avoided at all costs? ____What is "chain of custody?" ____You only have 3 people available for a search. Which pattern would you probably NOT use. ____What is the first step in processing a crime scene? ____What does the FBI consider to be the most valuable evidence? Case studies Review OJ Simpson case verdict Shirley McKie case John Dillinger Sam Shepard...