Since the beginning, both fictional and actual detectives have been solving crimes, from Sherlock Holmes to Miss Marple. Do you possess the qualities necessary to join them?
What do you need before starting your legal search?
An understanding of the law
Probable cause
The United States forbids unreasonable searches and seizures. According to the Fourth Amendment, the Constitution. It means that before conducting a legal search, probable cause must exist.
Evidence can take many different forms. What are the two?
Direct and circumstantial
Indirect and confidential
Direct and circumstantial
Direct evidence is a direct confirmation of a fact, such as a witness’s testimony regarding what they witnessed, heard, or did. Indirect evidence, such as circumstantial evidence, is proof of one or more facts from which another fact can be inferred.
What wouldn’t items at a crime scene be considered as evidence?
A television
If you’ve ever watched CSI, you know that typical evidence consists of fingerprints, shoe prints, tracks, body hairs, fluids, fibers, blood, and any other material that might be useful to the investigation. A television at the crime scene can only be evidence if it was used in some way during the crime.
Evidence can sometimes be ruled out. When is it likely to be ruled inadmissible in court?
When it’s too late to submit
When it’s procured illegally, prejudicial, or irrelevant
When it’s procured illegally, prejudicial, or irrelevant
Evidence admissible in court must be obtained legally during legal proceedings. Evidence must also be relevant and not prejudicial to the case. It could also be thrown out if mishandled.
Create a proper evidence package. What doesn’t this entail as a step?
Package each piece separately
Write your name on it
Evidence should be appropriately packaged because a crime scene investigator will need it. Every piece of evidence has its container, which is labeled, sealed, and accompanied by documentation.
It’s time for action! Staging a crime scene is what?
When you light the crime scene
When investigators set the scene for jurors
When the perp manipulates the scene to mislead investigators
When police cut the crime scene off from intruders
When the perp manipulates the scene to mislead investigators
A few criminals believe they are all too intelligent. They might stage the crime scene to confuse or annoy detectives to hide their tracks. One instance is staging murder as a “robbery gone wrong.”
It’s frequently said that this can make or break a crime scene.
The second responder handling it
The way in which the crime unfolded
The first responder’s handling of it
The first responder’s handling of it
The first officer can primarily ensure a crime scene’s integrity. Because handling a crime scene is so delicate, if the first officer makes a mistake, the investigation might as well be abandoned.
What is the reconstruction theory NOT true?
Solves a crime using deductive reasoning
Reconstructs the brain
This approach to solving crimes begins with a theory of how the crime happened and uses forensic science and deductive reasoning to analyze the evidence to test that theory. The top-down approach focuses on the specific instead of the broad.
They have a name for everything! What is the procedure for documenting, collecting, and safeguarding evidence?
Chain of evidence
The process and protocol for gathering, recording, and safeguarding evidence at a crime scene are included in the chain of evidence. Officers on the scene must keep track of the evidence using a thorough log once a chain of custody has established its analysis, during an initial gathering, and through the trial.
Among these, which is a secondary crime scene?
The scene where a robbery occurred
The scene where a murder unfolded
The scene where a rape was committed
The scene where a body was buried
The scene where a body was buried
The primary crime scene is the location of the active crime, whereas a secondary crime scene is any scene that may be related to the crime in some way. For example, if someone is murdered in their home and their body is removed, stored somewhere, and then buried, the victim’s home is the primary crime scene, while the other locations are secondary crime scenes.
Which of the following is NOT a type of evidence in a court of law?
Occupational
We discussed direct and circumstantial evidence, but many different types of evidence can be used in court. Physical evidence, for example, speaks for itself. Then there’s testimonial evidence, in which a witness testifies about the case. There is also demonstrative, and documentary evidence, the former of which could be a chart or video, and the latter could be any documentation to prove your case.
A background check is performed during which type of investigation?
Preliminary investigation
Follow-up investigation
Background checks are performed during follow-up investigations. These checks are conducted on everyone, from suspects to victims to witnesses, and may be followed by suspect interrogations and additional interviews with witnesses and victims.
There is direct evidence and circumstantial evidence. Which of the following is the latter?
Witness testimony that they saw the crime committed
O.J. Simpson’s glove
Circumstantial evidence is evidence presented during a trial that suggests but does not directly prove something is true. One well-known example is O.J. The glove of Simpson.
What does detecting traces of metal do?
Connects a gun to a suspect
Searches out pocket knives
Distinguishes metal types
Connects a gun to a suspect
Using trace metal detection, forensic investigators can potentially find a match to the suspect’s gun by lifting trace metal evidence from surfaces.
Are you prepared to have dirty fingers? Which of the following DO fingerprints NOT have?
Palms
A fingerprint has whorls, loops, and arches, with radial (pointing toward the thumb) and ulnar (pointing toward the forefinger) loops being the most prevalent (pointing toward the pinky). The least frequent shapes are arches, wavy lines shaped like tents, and plains.
What is the purpose of DNA fingerprinting?
Identifies an individual from biological samples
Identifies a genetic code in a computer system
Identifies an individual from biological samples
DNA fingerprinting uses biological samples rather than actual fingerprints to determine a person’s identity. It is called this because each person’s DNA is distinctive, just like each person’s fingerprint is. However, forensics can match it to another sample from the suspect’s body using something as simple as a strand of hair rather than prints.
What among the following is NOT trace evidence?
Gun
As the name might imply, there is barely any sign of it. There will be traces of each of these at the crime scene: fibers, soil, hairs, glass, fingerprints, paint chips, and plant matter. A gun is also evidence, but it’s more substantial than a trace.
What one of the following three types of crime scene photography is NOT one?
Panoramic
Since the crime scene will change over time, crime scene photographers are crucial. They document the crime for the benefit of the police and the upcoming court case by taking close-up, mid-range, and overview shots of the scene.
Which step in the investigation should be done first at a crime scene?
Photographing
The forensic photographer must cover much ground before anyone else muddies up the crime scene. These images will be used in court later on and will aid investigators like you in your theories.
To effectively manage a crime scene, three key activities are required. What doesn’t belong among them?
Conduct a search for evidence and properly document the crime scene
Control movement of necessary personnel into and out of the area
Light the area
Maintaining a crime scene is a difficult task. To make that task more manageable, you can divide it into three tasks: 1) Managing the movement of required personnel, 2) Searching for evidence, and 3) Conducting a search for witnesses.
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