Centre Receiving Office

Question 1

What percentage of caseload does Toronto do vs. Sous Saint Marie?

Answer 1

Toronto does 80-90%, Sous Saint Marie does 10-20%

Question 2

What percentage of case loss is considered:

• Biology
• Chemistry
• Toxicology
• Firearm and Tool Mark
• Documents
• Not Accepted

Answer 2

• Biology: 43%
• Chemistry: 7%
• Toxicology: 43%
• Firearm and Tool Mark: 7%
• Documents: 1%
• Not Accepted: 2%

Question 3

What is Locard’s exchange principle?

Answer 3

When any two objects come into contact, there is always transference of material from each object onto the other

Question 4

What are the 4 roles of Forensic Science?

Answer 4

• Identifying objects and materials
• Revealing additional information
• Detecting and quantifying substances
• Comparing “knowns” to “unknowns”

Question 5

What are the four uses of findings?

Answer 5

• Support Charges
• Eliminate Suspicions
• Public Safety and Protection
• Public Service

Question 6

Who are the clients of the Centre Receiving Office?

Answer 6

• Police Investigators
• Attorneys - Crown & Defence
• Fire Marshal
• Other Official Investigators
• Pathologists
• SIU
• Coroner

Question 7

What are the 6 things that the Centre Receiving Office do?

Answer 7

• Receives all evidentiary material
• Decides what types of cases/evidence items to accept
• Determines which section(s) are involved in a case
• Initiate chain of custody
• Package items appropriately
• Return items to submitting agencies

Question 8

What is LIMS?

Answer 8

Laboratory Information Management System:

• Assigns a unique number to each case
• Sequentially numbers evidence items
• Creates a unique barcode for each evidence item
• Records an accurate chain of custody
• Items secured in a container under a unique tamper-evident seal
• Numbered seals are initialed by the submitter when present or by the CRO person processing case
• A receipt is generated listing all items submitted for the case
• A seal number is registered in LIMS and is used to track the container and its contents
• Containers are put into a secure storage are until they are delivered to the appropriate section
• The scientist assigned to the case takes ownership

Question 9

What are the benefits of using LIMS?

Answer 9

It makes it possible to locate any piece of evidence within the CFS and determine the progress of its analysis

Question 10

What sort of evidence submitted would fall under Biology?

Answer 10

Body Fluids

• Blood
• Semen
• Saliva
• Etc.

Question 11

What sort of evidence submitted would fall under Chemistry?

Answer 11

• Paints
• Glass
• Fire
• Volatile Ignitable Liquids (VIL’s)
• GSR
• Explosives
• Motor Vehicles
• Hair and Fibre analysis
• Restoration of Obliterated serial numbers

Question 12

What sort of evidence submitted would fall under Physical Sciences?

Answer 12

• Documents

- Firearms

Question 13

What sort of evidence submitted would fall under Firearms and Tools?

Answer 13

• Firearms

- Tools

Question 14

What sort of evidence submitted would fall under Toxicology?

Answer 14

• Alcohol
• Drugs
• Chemical Poisons
  (in human body specimens, body fluids and tissues)