State Trooper Investigation Procedures

Question 1

What is the first priority upon arriving at a crime scene?

Accepted Answer

Secure the scene and ensure the safety of all persons present

Answer

Begin collecting evidence immediately

Answer

Interview the primary suspect

Answer

Call for a crime scene technician

Question 2

What is the purpose of establishing a crime scene perimeter?

Accepted Answer

To protect evidence from contamination and control access

Answer

To keep the media away from the scene

Answer

To provide a workspace for investigating officers only

Answer

To prevent the suspect from returning

Question 3

What is the proper sequence for crime scene documentation?

Accepted Answer

Overview photographs, detailed photographs, sketches, notes, and evidence collection

Answer

Evidence collection, then photographs, then notes

Answer

Sketches first, then photographs if time permits

Answer

Notes only, with photographs taken at the lab

Question 4

What is 'Locard's Exchange Principle' in crime scene investigation?

Accepted Answer

Every contact between a person and an environment results in an exchange of physical material

Answer

Evidence must be exchanged between agencies for analysis

Answer

Investigators must exchange theories before proceeding

Answer

Suspects must exchange information for plea agreements

Question 5

When should a state trooper call for a forensic specialist at a crime scene?

Accepted Answer

When the scene involves serious crimes or evidence requiring specialized collection techniques

Answer

Only for homicide cases

Answer

Never -- troopers should handle all evidence themselves

Answer

Only when lacking basic evidence collection supplies

Question 6

What is the difference between direct evidence and circumstantial evidence?

Accepted Answer

Direct evidence proves a fact without inference, while circumstantial evidence requires inference

Answer

Direct evidence is more reliable than circumstantial evidence

Answer

Circumstantial evidence is inadmissible in court

Answer

There is no legal distinction between the two