Seven S's criminal investigation

Open Ended

Compare the roles of serology and ballistics in forensic investigations.

Multiple Choice

Which factor does NOT affect the extent of transfer according to Locard’s Principle of Exchange?

• Intensity of contact

• Duration of contact

• Nature of entities

• Color of entities

Multiple Select

Which of the following are examples of circumstantial evidence?

• Eyewitness testimony

• Blood stains

• Weapons

• Recordings

Open Ended

What are two types of evidence that can be collected at a crime scene, and how do they differ?

Multiple Choice

Which of the following is considered individual evidence?

• Clothing

• Blood type

• Fingerprint

• Car type

Multiple Choice

Why is it important to include measurement devices when photographing evidence at a crime scene?

• To ensure accurate size reference for evidence

• To make the photos look professional

• To identify the type of camera used

• To help locate the evidence later

Open Ended

List three essential elements that must be included in a crime scene sketch and explain their importance.

Multiple Choice

Evidence containing biological evidence such as blood should be stored in what type of container?

• Airtight container to prevent evaporation of possible liquids or residues

• Breathable container to prevent moisture and mold

• Insulated container to prevent temperature fluctuation

• Dark container to prevent UV damage

Open Ended

What should you do when you are called to the scene of a home break-in as a forensic investigator?

Multiple Choice

a written record of all people who have had possession of an item of evidence

• control sample

• chain of custody

• class evidence

• first responder

Multiple Choice

small but measurable amounts of physical or biological material found at a crime scene

• individual evidence

• trace evidence

• direct evidence

• class evidence

Multiple Choice

there is always a cross transfer of evidence between a suspect and victim or locale

• chain of custody

• Lockard Exchange Principle

• District attorney

• class evidence