Forensic Science Essay

Review Questions1.What atomic number 18 the four types of distinguish in a criminal investigating? The four types of differentiate is physical certainty, objective evidence, demonstrative evidence and testimony.2.What be or sowhatbody peculiar(prenominal)s? Give an illustration of an private characteristic?Individual characteristics are properties associated with a mutual source to a high pointedness of certainty. An example of individual characteristics that forensic scientists whitethorn life for are the ridge characteristics of two fingerprint samples.3.What is the difference between individual characteristics and class characteristics?Class characteristics are those that crumb only be associated with groups not alone a single source4.What are physical and chemical properties? Give an example of each. Physical properties are those that show a substance or object without referring to all other substance. For example the physical properties of trumpery dexte rity be its weight, size, color, and volume. The physical properties are those that an object or trace evidence has with just its physical existence, without altering it in either way with chemicals.Chemical properties are those that describe what happens when a substance reacts with another substance. For example, when the medicate heroin comes into contact with the Marquis reagent chemical it turns purple. This behavior describes the chemical property of heroin and helps forensic scientists identify its presence.5.What do forensic scientists do to collect and preserve solid ground samples? Soil samples are typically sedate from the crime scene within a 100-yard radius at various spots. forensic scientists take great care in collecting and preserving soil samples, if soil is set in motion on the bottom of a clothe for example the soil is left on the shoe and the entire shoe is taken to the crime lab. Theobject must to a fault be stored in such a way that any pieces of dirt that may fall off the object are retained.Critical Thinking Questions1. wherefore do you conceive of forensic scientists are so prudent that the tests they do are sensitive, reproducible, and particularised? What readiness happen if they were less(prenominal) careful about this?If the actions are not taken correctly then if you might plug up or accidental unprovoked rough evidence you pretend some more, they label to help with the specifics. If they are less careful about this then it might not be any utilization to them and just be a molder of their time.2.Which type of evidence do you think is most useful in an investigation? Why?I believe that the most useful evidence is physical evidence because it helps give more detail than any other type of evidence.3.Why do you think that forensic scientists continue to look for class characteristics given their limitations?Forensic scientist might continue to look for class characteristics because they would worry more evidence to convict or help with other law cover reasons.4.What do you think would be some of the challenges in collecting and preserving impressions? Why?I believe that some challenges might be having to be very gentle and bourgeois about what you do and how you treat the evidence.5.If you were on a jury, do you think you would stand individual characteristics in the evidence? Why or why not? What make might it have if individuals endure to have individuals characteristics presented? Ibelieve I would expect individual characteristics because that would help me make some serious and maybe even final decisions.