Criminal investigation is an applied science that involves the study of facts that are then used to inform criminal trials. A complete criminal investigation can include
searching, interviews, interrogations, evidence collection and preservation, and various methods of investigation
.
What is the most fundamental purpose of a criminal investigation?
The most fundamental purpose of criminal investigation and forensic science is
to discover the truth
(Swanson, Chamelin, Territo & Taylor, 2012, p. 2).
What are the fundamental functions of criminal investigators?
After a criminal event is over, the investigator is
expected to preserve the crime scene, collect the evidence, and devise an investigative plan that will lead to the forming of reasonable grounds to identify and arrest the person or persons responsible for the crime
.
What do I expect in the course Fundamentals of criminal investigation?
Fundamentals of Criminal Investigation – This subject starts with the basic principles of criminal investigation. Students will also
learn to analyze investigative techniques, patterns of crime, and the way criminals commit their crimes
.
What are the 3 I’s of criminal investigation?
Tools To establish facts and develop evidence, a criminal investigator must use these tools-
information, interview, interrogation, and instrumentation
.
What are the objectives of investigations?
Investigations
determine, fully and credibly, what happened with respect to a particular incident
– whether suspected conduct did or did not take place; what the circumstances were; who was involved; whether a violation of law or company policy occurred.
What are the principles of investigation?
- Be fair and objective. …
- Do not pre-judge. …
- Avoid the appearance of bias. …
- Plan and outline the investigation before starting. …
- Investigate promptly. …
- Keep the investigation separate and independent from the stakeholders. …
- Never mislead a witness. …
- Protect confidentiality.
What is the Golden Rule of criminal investigation?
The Golden Rule in Criminal Investigation. “
Do not touch, alter, move, or transfer any object at the crime scene unless it is properly marked, measured, sketched and/or photographed
.”
What are the five elements of managing special crime investigation?
- The initial or preliminary investigation.
- Case screening.
- Follow-up investigation and management of ongoing investigations.
- Police-prosecutor relations.
- Continuous monitoring of the investigative process.
What are the four phases of criminal investigation?
Applied to the criminal realm, a criminal investigation refers to the process of collecting information (or evidence) about a crime in order to:
(1) determine if a crime has been committed; (2) identify the perpetrator; (3) apprehend the perpetrator; and (4) provide evidence to support a conviction in court.
What are the characteristics of a successful investigator?
- An investigation is a search for the truth.
- KNOWLEDGE, INTEGRITY, INITIATIVE, DEDICATION, JUDGEMENT, COURAGE.
- Attitude – It is the responsibility of an investigator to provide their company, clients and community with high standard and professional service.
What are the 3 fold aims of criminal investigation?
Investigation refers to the collection of facts to accomplish a three-fold aim:
a. to identify the suspect
; b. to locate the suspect; and c. to provide evidence of his guilt.
Why criminal investigation is a science?
Criminal investigation is an applied science which includes
the study of evidences, used to recognize, detect and verify the guilt of a illicit
. A whole criminal examination can consist of searching the interrogations, evidence gathering and protection and numerous approaches of examination.
What are the 4 types of evidence?
- Real Evidence. Real evidence is also known as physical evidence and includes fingerprints, bullet casings, a knife, DNA samples – things that a jury can see and touch. …
- Demonstrative Evidence. …
- Documentary Evidence. …
- Witness Testimony.
What are the 3 types of crime?
The law consists of three basic classifications of criminal offenses including
infractions, misdemeanors, and felonies
.
What is the 3 tools of investigation?
The scientific tools of interrogation namely- the Lie detector or the Polygraph test,
the P300 or the Brain Mapping test and the Narcoanalysis
or the Truth Serum test are the main three tests that have recently been developed for extracting confessions.
