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The application of scientific techniques and principles to analyze and investigate crime scenes, evidence, and provide expert testimony in legal proceedings.
Consists of the laws passed by the legislature. For the federal government, the acts passed by the United States Congress. These acts are designated as Public Laws or Private Laws.
How did the Amanda Knox case tie into the Physical Evidence unit?
The legal rights of an arrested person to have an attorney and to refuse to answer questions.
How many techniques do they use in the laboratory ?
A rule of evidence regarding the admissibility of expert witness testimony. The trial judge serves as the gatekeeper who determines whether an expert’s evidence is deemed reputable and relevant.
Study of the material can determine the nature and ___________________ of the transfer (or struggle)
You recover and sequence a DNA sample from a crime scene. What else is required to match it to a suspect?
The transfer of evidence such as a fiber from a source to a person, then to another person, is called:
Forensic Scientists are able to extract both the blood type and the DNA from a blood sample. Which type of evidence is this?
The powerpoint gives this as an example of biological evidence. Either one will work.
What is the name of the first criminalist women
Flax is the most common stem fiber, and is most commonly found in the textile, _________.
The written record of a crime scene photograph includes all of the following EXCEPT
A fingerprint could be which of the following types of evidence?
A forensic scientist will ask questions about:
What information could be used to individualize a car? (That is, to say it was exactly one specific car)
True or False: a database applicable to DNA profiling is CODIS.
Which is NOT trace evidence?
What is the difference between class and individual evidence?
An eye witness' testimony can be affected by...
Scientific tests or techniques used in connection with the detection of crime.
The examination of bitemark evidence and its relation to a criminal investigation is known as:
Swimming fish experience-
C is what kind of pattern? Only give one answer, either will work.
In order for evidence to be allowed into court, it must be ruled as _____ and material.
_____________________ aims to see how facts fit into the crime scenario
Manila is a fiber extracted from the leaves of ______, a relative of the banana tree.
Forensic Science is
Rough surfaces have _________
Every person's fingerprints are _____________
Which of the 4 types of sand is the most common?
One seed fiber is:
Fibers that have been spun together are called
All evidence gathered at a crime scene must be
Maintaining a ____________________________ log is essential to present credible evidence in court
Natural plant fibers are produced from:
Which individual contributed knowledge to the forensic characterization of blood:
Do most soil samples contain a mixture of all 3 soil types?
What type of evidence is DNA?
This evidence can be traced to a single source.
Crime scene reconstruction uses _______ to recreate the likely sequence of events from an incident.
The OLDEST forensic laboratory in the United States is that of the:
Something that is known or proven to be true.
All of the following are basic services provided by "full-service crime laboratories" except:
This type of law consists of the laws passed by the legislature. For the federal government, the acts passed by the United States Congress. These acts are designated as Public Laws or Private Laws.
What is the purpose of identification?
The first system of personal identification was fingerprinting.
When a person comes in contact with an object or another person, a ___________________ of physical material can occur
A material that can be related to a SINGLE source.
Check all of the reasons for committing a crime.
How did the Wayne Williams case tie into the Physical Evidence unit?
Until the nineteenth century, only plant or animal fibers were used to make clothing and textiles. Half the fibers produced today are synthetic. They are categorized as:
True or False: Technology surrounding the forensic sciences has evolved to the point that an examiner can assign approximate probability values to the comparison of most class physical evidence.
Personnel must maintain chain of custody records to include: final disposal authority of evidence, final disposal action of evidence, witness to destruction of evidence.
Applying science concepts and skills to matters of the law is the definition of which of the following?
Which of the following would be considered physical evidence?
Which of the following would be considered transient evidence?
A formal accusation against someone who is suspected of committing a serious crime, filed after the conclusion of a grand jury investigation.
The job of a forensic science is to________ evidence from the crime scene and to __________ this evidence in the lab in order to find the possible culprit. Type "and" between the words in your answer.
"Every contact leaves a trace." This is known as _____
When evidence can be associated only with a group and never a single source, that evidence is said to possess:
Using any or all of your 5 senses to collect information is called an ___________________.
Which of the following is NOT an example of physical evidence?
When forces are going in the opposite direction of each other you should do what do find the net force
Calculate the probability (%) of a suspect having all 3 factors in their genetic profile:vWA 14,19: 6.2%D21S11 30,30: 3.9%D13S317 12,12: 8.5%
In a crime scene sketch, to show where a dead body or weapon is located, one should measure and draw the distance from the evidence
Natural fibers come from:
In general, eyewitness evidence is MORE accurate than direct evidence left at the crime scene (fingerprints, fibers, etc.)
A crime sufficiently serious to be punishable by death or a term in state or federal prison. A crime carrying a minimum term of one year or more in state prison, since a year or less can be served in county jail. Sometimes referred to as "high crimes" as described in the U.S. Constitution.
________________ lab – where evidence is processed revealing facts about the crime.
What are the responsibilities of a later responder?
A person who is permitted to testify at a trial because of special knowledge or proficiency in a particular field that is relevant to the case.
Small glass fragment of a jar that can't be put back together, is this consider class or individual evidence?
______________ evidence - Testimony by a witness about what that witness saw, heard, or did. Video recording of the crime
True or False: Generally speaking, the chance of an investigator finding physical evidence possessing individual characteristics is far greater than finding class physical evidence.
Which discipline does not fall under the umbrella of forensic science:
Which of these materials do you predict would have the MOST amount of friction?
What is the indirect transfer of fibres called?
B is what kind of pattern?
The examination of physical evidence by a forensic scientist is usually undertaken for:
A ____________ is a push or a pull on an object.
What is the unit to MEASURE force?
This type of force resist motion between two surfaces that are pressed together
A set of pre-trial restrictions that are imposed on a suspect to ensure that they comply with the judicial process. It is the conditional release of a defendant with the promise to appear in court when required.
What type of evidence is shoe size?
What is the purpose of chromatography?
How did the Scott Peterson case tie into the Physical Evidence unit?
Which of the following is not an optional service, which maybe provided by a full-service crime laboratory?
Fibers are woven into textiles or fabrics.
How did the Forensic Files: Bad Blood episode tie into the Physical Evidence unit?
A legal term that comes from the Latin phrase for "I do not wish to contend". It is also referred to as a plea of no contest.
Any "lesser" criminal act in some common law legal systems. Generally punished less severely than more serious felonies, but theoretically more so than administrative infractions and regulatory offences. Many are punished with monetary fines.
Early collection of fibers in an investigation is critical. Within 24 hours, an estimated ____ percent of all fibers may have fallen from a victim or been lost from a crime scene.
Calculate the probability (%) of a suspect having all 3 factors in their genetic profile:CSF1PO 9,10: 11.2%D18S51 14,17: 2.8%D8S1179 17,18: 6.7%
Who is the CAKE CULPRIT?
Trace evidence is evidence that is:
A suspect is accused of robbing a convenience store. Which of the following evidence would be circumstantial?
This person applies scientific techniques in a laboratory to identify, analyze, and interpret physical evidence from a crime scene, and testify objectively about their findings in court.
Fibers are classified as either:
Most items of physical evidence retrieved at crime scene:
PPE stands for...
Which of the following would not be at the crime scene?
Any physical location in which a crime has occurred or is suspected of having occurred.
Why can we separate the rock and salt from a mixture of rock-salt in water?
How does a body affect the soil when buried directly in soil?
A bill of indictment found by a grand jury to be supported by sufficient evidence to justify the hearing of a case.
D is what kind of pattern?
Define the "Locard's Principle."
What is Locard’s Exchange Principle?
What is a Force?
The United States is one of the only a handful of countries in the world that have created and maintained forensic facilities.
As decomposition continues what then happens to the soil?
How do insects help solve crimes?
An arrangement between prosecutor and defendant whereby the defendant pleads guilty to a lesser charge in exchange for a more lenient sentence or an agreement to drop other charges.
The number of threads that are packed together for any given amount of fabric is known as _______ ________.
Forces that have a net force of zero Newtons
In 1993, the U.S. Supreme Court decided that the Frye v. United States precedent is an absolute prerequisted to the admissibility of scientific evidence.
What are the techniques used in a laboratory after collecting evidence?
Friction is an example of _____________
Wheels on a skateboard most likely experiences-
The most common type of regenerated fiber, which is derived from cellulose and is mostly plant in origin, is rayon.
When fibers are transferred directly from victim to suspect or suspect to victim, this is called:
Maintaining a ______ _____ _______ log is essential to present credible evidence in court.
How to identify the investigator direct witnesse?
A person's INTERPRETATION or understanding of people, events, situations and how they view the world is called ______________.
What is the difference between direct and circumstantial evidence?
The original location of a crime or accident.
A disadvantage of manufactured fibers is that they can deteriorate in bright sunlight and melt at a lower temperature than natural fibers.
Which type of evidence (if true) involves stating a suspect committed the crime?
The weight or significance of physical evidence in a courtroom is left to the ______ to determine.
A small molecule that may bond to other monomers to become a polymer is a:
True or False: Physical evidence is usually examined by a forensic scientist to determine the identity of the offender of the crime.
Locard's exchange principle states that "With ____________, there is a trace".
Humans have different teeth present in the mouth. Can you choose the correct answer below:
When we rub our hands together _________.
What is one example of physical, circumstantial evidence that you were present in this room?
Using information to detect patterns, conduct testing and interpret data means that a person has good...
In a crime scene the forensic scientist must wear protective equipment as shown in the picture. Which of the following is correct:
What is turnaround time?
The powerpoint gives this as an example of physical evidence
The body of law that regulates the operation and procedures of government agencies. (IRS, Military, ect.)
Sliding friction is when two _____________ surfaces slide over one another.
Two methods that can analyze fibers without damaging them are:
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
Define class characteristics and give 2 examples.
When collecting soil evidence, it is important to collect at least _____ tablespoons of soil
The requirement in criminal law that police have adequate reason to arrest someone, conduct a search, or seize property relating to an alleged crime. This requirement comes from the Fourth Amendment of the U.S. Constitution.
Which of the following is an example of friction that is helpful?
Which of these is not a type of soil texture
True or False: physical evidence may not give a direct sequence of events for crime scene reconstruction, but is crucial for providing details regarding the crime.
when securing a crime scene the two most important factors are to
The ability to establish the exact whereabouts of an item of evidence and under whose control it was from its collection at the crime scene to its presentation in the courtroom and everywhere in between is called
Calculate the probability (%) of a suspect having all 3 factors in their genetic profile:FGA 24,24: 3.6%TH01 6,8: 8.1%D16S539 11,12: 8.9%
A court proceeding at which a criminal defendant is formally advised of the charges against him and is asked to enter a plea to the charges. In many states, the court may also decide whether the defendant will be released pending trial.
What is forensic science?
A group of citizens empowered by law to conduct legal proceedings and investigate potential criminal conduct, and determine whether criminal charges should be brought or not.
Someone claims to have seen a pickpocket grab a wallet, and gives a physical description of her. What type(s) of evidence is this?
If these teams are pulling with the same amount of force what will happen?
Check all that have crime labs:
Circumstantial evidence is also called what?
Which is the most common mineral found in sand?
State the Product Rule and explain how it applies to the comparison of physical evidence.
Identical twins have identical fingerprints.
A view or judgment someone has about something or someone that is NOT necessarily based on fact. This is called an ________________.
Bite marks found on the victim can be used as evidence to find the culprit. Which of the below characteristics would help in the investigation for bite marks. Choose any of the correct answers below
What are the best possible conditions to finding fresh gravesites? Why are these conditions ideal? Hint: think about the weather conditions and elevation
What charges NOT did Elizabeth have?
Forensic science is the application of science to ________
What where the two factors that Luciano Posada Garcia Said?
A person who has information or knowledge about an event and can give a first-hand description of the event because they were present.
The rougher the surface, the faster an object will travel over the surface.
The crime scene must be preserve and account for all the evidence left by the suspect. A crime scene sketch is a required part of an investigation.
An example would be a blood sample from the victim used to compare to blood found on a suspect's knife.
the first responding police officer should keep a record of anyone who enters or leave the crime scene. This is called
Friction is a force that acts in an ___________ direction of movement.
What is the first "S" in the 7 S's of Crime Scene Investigation?
Forensic science is defined as "the application of science to those criminal and civil laws that are enforced by police agencies in a medical system.
What determines our characteristics?
The chain of custody begins:
Forensic scientists examine a loose hair, and are able to determine its color and thickness, but are not able to extract DNA. Which type of evidence is this?
Deductive Reasoning can best be described as....
An alternate location where additional evidence has been found.
The simplest weave pattern is the plain, or ___________, weave
A basic function of a forensic scientist includes:
Which of the following is not one of the seven S's of crime scene investigation?
What is the name of the organic material found within soil?
Evidence that places someone at the scene of a crime is ALWAYS what type of evidence?
Polyester has properties similar to nylon except it is easily broken down by light and concentrated acid.
Fingerprints can be lifted from carpeting.
Which of the following would be trace evidence?
Define individual characteristics and give 2 examples.
The processing that occurs when one arrives at the jail or holding facility. This process entails taking fingerprints, taking photo (also known as the “mug shot”), and gathering all pertinent personal information like name, date of birth, address and place of employment.
If both forces are going in the same direction you should______ those forces
This type of reasoning is used to draw conclusions from evidence
Wheels of a shopping cart experience-
True or False: crime scene reconstruction may corroborate or contradict an eyewitness account.
True or False: objects that are smooth have LESS friction than objects that are rough
A is what kind of pattern?
What is a comparison analysis?
Weave patterns have names like tabby, twill and ___________.
Synthetic polymer fibers, which all originate with petroleum products, are cellulose-based fibers.
Properties of evidence that can be attributed to a common source with an extremely high degree of certainty is/are:
The premise in which Locard's Exchange Principle is based is that every criminal can be connected to a _______ by dust particles carried from the crime scene.
Ruling by the court that said "an expert opinion is admissible if the scientific technique on which the opinion is based is “generally accepted” as reliable in the relevant scientific community". Gave no real direction; acceptability determined by jury.
Which form of evidence can be associated with a group?
Who is responsible for taking pictures at a crime scene?
All plant fibers share the common polymer that is:
Fiberglass is a fiber form of:
In a crime scene sketch, there should always be an arrow to show which way is
What are the two types of crime scenes?
Fiber evidence is gathered with:
How many pictures should be taken of each piece of evidence at a crime scene?
This can also be used to collect evidence at a crime scene.
What are the responsibilities of a first responder?
Evidence that only exists for a short period of time is what type of evidence?
What is one example of direct evidence that you were in this room?
What force holds the planets in motion around the sun?
Lithium burns with what colour of flame?
Chain of custody
A French criminologist, the pioneer in forensic science who became known as the "Sherlock Holmes of France". He formulated the basic principle of forensic science: "Every contact leaves a trace".
What initially happens when a body is buried in soil? (cadaver decomposition island (CDI)
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