Exam 10: Case Investigation

An eyewitness testifies at trial,describing how she watched the defendant shoot the victim with a shotgun.What type of evidence is this?

Case investigators often have to prioritize cases on the basis of "solvability."

Police investigators arrive at a robbery crime scene and explore the sidewalk leading to the point of entry (the front door)of the store,as well as the noticeable areas inside the store.What practice does this exemplify?

During a crime scene investigation,investigators discover carpet fibres in the victim's hair that are not from the victim's home.Forensic experts determine the carpet fibres are from the offender's home.What principle is this an example of?

Case investigators from police services in Quebec and Ontario have been investigating sex crimes committed in their jurisdictions.Despite an identical modus operandi (MO),neither service has recognized the connection between the crimes.What does this exemplify?

What is the conviction rate in cases where the Mr.Big investigation technique is used by police services?

Compare and contrast "smoking gun" investigations and "whodunit" investigations.

Mistaken eyewitness identification accounts for more convictions of innocent people than all other errors combined.

A forensic scientist testifies during trial that the defendant's firearm killed the victim.What type of evidence is this?

Which general type of evidence category do paint chips,weapons,and broken glass belong to?

Which of the following is NOT an example of DNA evidence?

With the approval of a judge,DNA samples can be taken from convicted offenders without their consent.

Which case presented in the textbook was characterized by the absence of case sharing and database information sharing among involved police services and criminal justice agencies?

What is the confession rate in cases where the Mr.Big investigation technique is used by police services?

In Canada,evidence obtained in a manner that breaches the Charter of Rights and Freedoms is automatically excluded.

An expert is called in by a police service investigating the work of a serial arsonist,to determine the characteristics of the perpetrator of these acts.What is this practice called?

Police collect DNA evidence from a suspect's unfinished pizza slice and connect the suspect to a violent crime.The suspect's lawyer argues this evidence is inadmissible because the collection method violates his client's privacy and Charter rights.Which case will Crown counsel reference as justification for this police practice?

Compare and contrast direct evidence and circumstantial evidence.

Case investigators arrive at a robbery crime scene and find a passport next to the point of entry (a broken window).The passport belongs to an individual with a lengthy criminal record,who does not live at the residence.What type of case investigation will this be?

Describe DNA and the potential implications of using familial DNA in the case investigation process.