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