Final
Erin found a gun at a crime scene, but it's serial number has been grounded off. What is likely to be TRUE about this evidence
An etching agent might be able to reveal the numbers
Marcus is using the PCR process to study DNA. What is one stage this process must go through to create a new strand of DNA
Annealing
Tricia notices the VNTRs on a DNA strand. How are these MOST likely to be represented
As repeated segments
A crime lab is using mitochondrial DNA as evidence in an upcoming case. Why is a crime lab MOST likely to use mitochondrial DNA instead of nuclear DNA as evidence in a case
Because human remains have been charred by fire
What is NOT a valid measurement for determining the time of death for a victim
Body weight
Anita thinks that a murder victim possibly had drugs in her system when they were killed. How would a forensic pathologist most accurately verify Anita's theory
By performing a blood toxicology test
Dr. Lamar is performing an autopsy on a murder victim. What is he MOST likely to do during this procedure
Collect hair samples frok multiple places on the body
Leo is an expert in firearm and edification. What is NOT likely to be part of his job responsibilities
Creating plastic molds of tool marks
Jimmy doesn't understand the relationship between genes, chromosomes, and DNA. How would a scientist BEST explain these relationships
DNA makes up genes; genes are found on chromosomes
When using PCR to study DNA, the base pairs split in the DNA cleaves into single strains. What stage of the process as MOST accurately describe
Denaturalization
All forensic autopsies reveal important information about specific crimes
False
DNA analysis can always create an individualized result that links a hair to a particular persoj
False
Forensic sociology is fundamentally very different from criminology
False
High explosives are more readily available then low explosives
False
If a substance from a Kastle-Meyer test turns pink, the substance is definitely blood
False
If the police are interviewing someone but have not actually arrested them, the Miranda rights are required to be read
False
They are very few gun related deaths in the United States each year
False
Latent fingerprints were collected at a crime scene. What MOST likely happen in the collection process
Fingerprint powders were used
How has DNA evidence been used to protect customers from sales a fraudulent sports memorabilia
Footballs using Super Bowl games are marked with a synthetic strand of DNA
What is TRUE about determining the time of death of a victim
Forensic scientists can often provide an estimated time of death
David has collected what appears to be wet blood from a screwdriver at a crime scene. What is the BEST thing for him to do with this evidence to keep it from being degraded
Freeze the screwdriver in the labs freezer
Aria is conducting a Greiss Test. What evidence is she MOST likely examining
Gunpowder residue
What is TRUE about hair samples from a body
Hair samples can be different even when taken from the same person
What is TRUE about hair samples from a human body
Hair samples can be different even when taken from the same person
Amanda is standing away here samples to be tested for DNA. What is the BEST sample she can send to the lab for testing
Hair was exposed follicular tissue
Rocky is a dog used to help investigate crime scenes involving fires. What is Rocky MOST likely trained to do
He can smell the scene to find flammable liquids
Regina did a research project on John Wayne Gacy. What did she MOST likely learn about him
He committed 33 murders
The suspect claims to have started a fire by putting gasoline in a glass jar, adding a wick, and lighting it. He then threw it in the house. What did the suspect do
He created a Molotov cocktail
The attorney opened his case by stating, "The documentary evidence proves that Jared was in the victims car on the night of the crime." What evidence is the attorney most likely using to prove this accusation
He has a video recording of Jared in the car
Mateo has sprayed luminol on a bed spread but sees no evidence of any substances. What mistake is he MOST likely making
He is leaving the lights on in the room
Bruno is making a mold of an impression of tire tracks at a crime scene. What should he do to MOST accurately and efficiently create this mold
He should build a frame around it
Lucas has found impressions made with a screwdriver on the door knob. What is the BEST way for him to handle this evidence
He should remove the door knob and take it to the crime lab
When investigating a crime scene, grant find some evidence that could possibly be blood. What should he do?
He should wear latex gloves when he collects it
John Graham was charged in the bombing of United Airlines Flight 629 on November 1, 1955. What ultimately happened to him
He was convicted of murder and executed
Ian was asked to take buccal swabs of two suspects. What was this task MOST likely include
He will collect DNA samples from the insides of their mouths
Mohammed is investigating a fire in a warehouse. What is the first step in the process MOST likely to be
He will search for the point of origin of the fire
Leslie is a forensic scientist who is using the precipitin test at a crime scene. What question is Leslie MOST likely trying to anwwer
Is this human or animal blood
How would a forensic scientist MOST accurately describe the chemical properties of a cup of gasoline
It catches fire when lit with a match
Some people consider the crap in case to be the "O.J. Simpson case of 1910." Why is this comparison MOST likely made
It involved a husband who was accused of killing his wife
What is TRUE about the use of drawings at a crime scene
It is common practice for investigators to make a sketch of a crime scene
What is TRUE about DNA
It is found in every cell in the human body
What is TRUE about documenting a crime scene
It records the overall condition of the scene
What is TRUE about the precipitin test
It requires a very small amount of blood
What is known about the first forensic laboratory
It was open by the Los Angeles police department
The "CSI effect" is having an effect on real life court cases. How is this BEST demonstrated
Juries are asking for more forensic evidence in cases
What is TRUE about how the "CSI effect" has been represented in society
Jury members are now using forensic scientific terms to hear on television
What is NOT one of the characteristics that forensic scientists use from hair samples to determine a suspects race
Length
What is TRUE about putrefaction
Loss of hair and nails often occurs
What type of DNA is inherited from both biological parents
Nuclear DNA
Patricia wants to examine the morphology of a hair sample. What is the BEST way for her to accomplish this task
Observe the sample under a high powered microscope
The officer found it on identified fiber on the muzzle of the gun. Where was the fiber found
On the end of the guns barrel
How fast does human hair typically grow
One centimeter per momth
Police are investigating the murder of Mr. Trevor Reed. Mr. Reed had a large life insurance policy. Why would the police MOST likely want to know about this policy
People who would likely benefit from the policy might become suspects
On a reality television show, the host of the audience that, according to DNA test, there is a 98.9% likelihood that Henry is the father of Jorge. What forensics idea does this BEST demonstrate
Probability
Mohamed has found a firearm at the crime scene. It has three rounds of ammunition. What should Mohammed do
Put each round in a separate envelope
What does this image BEST represent
Radial fracture's
Yolanda is the first responder at the crime scene. She has made sure the scene is safe. She's going to secure the crime scene next. What is the MOST accurate way for her to secure the scene
She should isolate the area from other people using a rope or barricade
Trisha is investigating a crime. Her supervisor tells her there isn't enough physical evidence. How can Trisha BEST remedy this issue
She should look for small pieces of hair at the crime scene
Isla is working at the scene of the murder. Her supervisor asked her to take care of the victims closing. What is the MOST responsible thing for Isla to do with the clothing
She should place each piece of clothing in its own paper bag
Ruby finds an empty soda can at the crime scene. What can she MOST accurately conclude about DNA evidence and the soda can
She should swab the rim of the soda can for possible saliva
Katrina isn't sure if her lab test is reliable. What is the BEST method she can use to make sure it is reliable
She should test the same substance multiple times to see if she gets the same result
Monica works in a crime lab. His supervisor tells her that she needs to better understand Locard's Exchange Principal. How will she MOST actually demonstrate her understanding of this concept
She will keep evidence separated so it doesn't get contaminated
Katrina wants to study forensic science in college. What is MOST likely to be a part of her studies
She will learn how the criminal justice system works
What is the first thing a forensic scientist should do when they see this evidence
Take a photograph of it
Detective Marino no issued a subpoena to Manuel. What does she MOST likely want Manuel to do
Testify at a criminal trial
Katarina is investigating a possible arson at home. She arrives within one hour of the fire starting. What is MOST likely to be sure about this crime scene
The arsonist will not be present at the house
Tricia found a body that is in rigor mortis. How was she MOST likely determine that this was happening
The body was very rigid and stiff
Detective Sanders knows the hole in the windshield was called by a bullet being shot from inside the car. How was he MOST likely to make this conclusion
The bullet hole is wider on the outside of the windshield
Two bullets are fired from the same gun. When they are examine, what is MOST likely to happen
The bullets will be an extremely close match
Floyd thinks that a house fire was started by a cigarette. What is likely TRUE about the evidence at the house
The cigarette will have burned down with the house
Marissa's rough sketch of a crime scene is going to be used in a court case. What will her rough sketch MOST likely include
The dimensions of the crime scene
When Elizabeth returned home from work, the police were going through her house looking for evidence. When she asked them why, they showed her a search warrant that side of probable cost. What is TRUE about the scenario
The fourth amendment laws were respected
Huda sees an obvious set of fingerprints on a mirror at a crime scene. How can she BEST preserve this evidence
Use clear tape to lift the prints
What is TRUE about obtaining search warrants to investigate a crime scene that involves fire
Warrants are not required to enter the crime scene
EV wants to know about the caliber of a firearm. What question she MOST likely to ask
What size is the gun barrel
What is TRUE about forensic scientist in crime scenes
When a scientist is present, fewer mistakes are made collecting evidence
The officers are using eyewitness identification in their investigation. Because of this, what will MOST likely happen in the investigation
Witnesses who saw the crime will describe what happened
Enzo found a wooden hammer at a crime scene. The head of the hammer appears to have been used to strike the victim. What can he MOST accurately conclude about DNA evidence and the hammer
The handle of the hammer could possibly have sweat or skin on it
What is TRUE about the use of bones to solve crimes
The long bones are measured in length and circumference
Investigators are looking for fires point of origin. What is the MOST likely indication of the point of origin
The lowest point that shows intense burning
Investigators are considering using hair evidence at an upcoming trial. What is TRUE about using two pieces of hair evidence in a criminal trial
The only way to prove a match of two distinct samples is to use DNA testing
Tricia is taking notes about a gun she found at the crime scene. What information MUST be described in her notes
The position of the gun safety and hammer
What causes a bullet to spend as it is fired
The rifling
Which of the following conclusions was LEAST likely to be made by evidence analyzed by a forensic anthropologist
The victim has been dead for about three days
Bruno is a forensic anthropologist working to identify a victim. He analyzes the set of human bones with narrow and tell pelvic bones. What can he most likely conclude based on this evidence
The victim was a man
David is looking at the victims body at the crime scene. The victim is lying flat on her back. It appears that there is postmortem lividity on the victims face and chest. What kind even MOST likely conclude based on this evidence
The victims body has been flipped over after death
On a crime show, the detective says "We have to get this stiff to the lab immediately." Based on the statement, what do they MOST likely want to get examined
The victims corpse
When a local house was on fire, the firefighters were able to save most of it by dousing the house with water. What will happen when forensic scientist investigate the fire
The water will not interfere with the testing of flammable liquids
What is likely true about a forensic scientists role in an arson case
Their role is limited because the evidence is limited
Detective Smith wants to bring in a forensic geologist to help her with her current case. Why does the detective MOST likely need assistance
There is a lot of soil evidence at the crime scene
What is TRUE about the majority of explosives that forensic scientist deal with in investigations
They are homemade bombs
What is TRUE about individual characteristics of evidence
They are properties associated with a common source to a high degree of certainty
What is TRUE about primary explosives
They are very sensitive to heat and friction
What did the police believe happen to Cora Crippen in the Crippen case of 1910
They concluded that she had been poisoned and dismembered
What is one of the BEST practices officers should use when securing a crime scene
They should secure a larger area than the actual crime scene
The scientist could show that the pain at the crime scene was from a 1992 Chevy. The specific chip of paint that was recovered also match the chip of paint that was taken from the suspects car. What is TRUE about this evidence
They were able to find both class and individual characteristics
The investigators were able to determine that the footprints were made by a Nike, size 10 tennis shoe; however, they couldn't match it exactly to the suspects you. What is TRUE about this piece of evidence
They were only able to find class characteristics
There are two suspects in a shooting investigation. Bullets are recovered from the crime scene. Both suspects own guns, and his guns have been seized by police. How will the investigators check to see if one of these guns fired the found bullets
They will fire bullets from the guns to match with the found bullets
What is MOST likely to be TRUE about most forensic scientists
They work in one area of the lab
Investigators found several long strands of hair on the victims pillow that had no follicular tissue present. What can they MOST likely conclude based on this evidence
This hair naturally fell out on its own
What is the MOST accurate description of this image
This is physical evidence
What is the primary role of most forensic scientists
To analyze evidence
The local police department just bought a Reflective Ultraviolet Imaging System (RUVIS) device. What is MOST likely the purpose of this purchase
To find and process more fingerprints
Christopher is a suspect who left his bloody fingerprints on the steering wheel of his car. How would a forensic scientist BEST categorize these blood stains
Transfer
Both low explosives and high explosives will typically create a crater in the spot where the bomb detonates
True
Forensic anthropologists are asked to determine if skeletal remains are recent or ancient
True
Police officers who have a working knowledge of friends like science make fewer mistakes and collect evidence at crime scene that is more scientifically useful
True
Rough sketches of a crime scene contain information such as the orientation of the scene, the weather, and the lighting
True
The bases of DNA are adenine, cytosine, guanine, and thymine
True
The interrogated Ballistic Identification System (IBIS) is a database of digital images showing the identifying features of bullets in casings
True
They are usually more objects at a crime scene investigators can officially collect and analyze
True
When CODIS is attempting to match DNA samples to DNA profiles and it's database, how many different regions in the nuclear DNA is it attempting to match
13
When did forensic science start to become influential in solving crimes
1800s
How long does it usually take for rigor mortis to set in following death
2 to 6 hours
Ronald is using Algar mortis to determine a victims time of death. Assuming the victims body temperature was originally 98° and now measures eat degrees, how many hours have MOST likely pass since the victim died
4 hours
Approximately what percentage of DNA do humans and fruit flys share
60 percent
At the crime scene, the investigators he's a bloody knife on the floor of the kitchen. What is the BEST type of photograph for the investigator to use to document this evidence
A close-up photograph
Forensic scientist are considering doing DNA tests on many pieces of evidence they currently have in their lab. What item would be LEAST likely to produce suitable DNA test results
A finger that was stored in formaldehyde
Caroline is it attacked if he was working on a case in which skeletal remains have been found in a local park. Who would be her BEST choice to help her begin investigating this case
A forensic anthropologist
After tragic fire, one victim was able to be identified by examining their teeth. What type of professional MOST likely made this conclusion in their investigation
A forensic odontologist
Detective Zane was called as an expert witness in a criminal case. The prosecutor asks, "What was the mechanism of death?" What is the MOST accurate way for this detective to respond
A pistol