Unit 1- Forensics

Locard's Exchange principle implies all of the following EXCEPT:

• Fibers can be transferred from one person to another.

• Blood spatter is used to identify blood type.

• Cat hair can be transferred to your pants.

• Soil samples can be carried from the yard into your home.

Direct evidence can include all of the following EXCEPT:

• A toxicology report

• A signed ransom note

• A surveillance film

• A sample of hair

The reason it is important to separate witnesses at a crime scene is to___.

• Prevent contamination of the evidence

• Prevent fighting among witnesses

• Prevent the witnesses from talking to one another

• Protect them from the perpetrator.

Correct collection of evidence requires which of the following?

• Documenting the location where the evidence was found.

• Correct packaging of the evidence.

• Maintaining proper Chain of Custody.

• All of the above

A crime-scene sketch should include all of the following except  ___.

• A scale of distance

• A North direction

• Date and location of crime scene

• The type of search pattern that was used

Which of the following best describes the difference between circumstantial evidence and direct evidence?

• Direct evidence can lead to the conviction of a suspect, while circumstantial evidence cannot.

• Direct evidence is not admissible in court; however, circumstantial evidence is admissible with the approval of a judge.

• Direct evidence is used to imply a fact, while circumstantial evidence proves an alleged fact.

• Direct evidence proves and alleged fact, while circumstantial evidence is used to imply a fact.

Which of the following evidence is considered to be direct evidence?

• A fingerprint left on a door knob

• A fiber from a suspect’s couch found on the victim’s shirt

• Blood from a victim found under the fingernails of a suspect

• A confession in a police report

Which of the following evidence is considered to be biological?

• Impressions

• fingerprints

• Shell casings

• Hair

Which of the following is completed during “seeing the scene?”

• evidence is marked

• evidence is collected

• evidence is analyzed

• evidence is photographed

Which of the following C.S.I. team is responsible for declaring the cause of death when a homicide occurs?

• detective

• crime scene investigator

• medical examiner

• first responder