CRIMINAL INVESTIGATION MIDTERM Flashcards
KINDS OF CONFESSION
Voluntary Confession
Involuntary Confession
for purposes of confession, means the accused speaks of his free will and accord, without the inducement of any kind, and with a full and complete knowledge of the nature and consequences of the confession.
Voluntary Confession
those confessions obtained through force, threat, intimidation, duress and or anything that influence the act of the confessor.
Involuntary Confession
two types of Confession:
Judicial and Extrajudicial.
. is one made before a committing magistrate or in open court to an indictment or an information when the accused is arraigned for trial. Some courts limit the term “Judicial confession” to the plea of guilty made by the accused. (20 Am Jur., p. 478)
Judicial confession
Is a declaration made voluntarily and without compulsion or inducement by a person under custodial investigation, stating or acknowledging that he had committed or participated in the commission of a crime.
extra-judicial confession
General Rule
The extrajudicial confession of an accused is binding only upon himself and is not admissible against his co-accused.
is voluntary acknowledgement in express term or by implication, by a party in interest or by another whose statement is legally bound, against his interest or the existence or truth of a fact in dispute material to the issue.
admission
is one made in express terms in definite, certain and unequivocal language.
Express admission
are those who may be inferred from the acts, declaration or omission of a party.
Implied admissions
It is an admission, verbal or written, made by a party in the course of the proceedings in the same case, which does not require proof.
JUDICIAL ADMISSION
is a part of communication and a form of social behavior which is involved in interacting with others.
Lying
means saying a statement that he/she knows themselves as false to others to whom he/she want to perceive it as true
Lying
the act of causing someone to accept as true or valid what is false or invalid
Deception
As scientific lie
detection is now included as one of the areas of forensic science.
Lie detection
Lie detection is also called .
Deception and scientific Truth Verification
Forensic lie detection is better known as
Forensic psychophysiology.
is a lie detection method primarily and extensively utilizes the combined knowledge of psychology and physiology.
Psychophysiology
is the most popular field of forensic psychophysiology according to Dr. William J. Yankee of the Department of Defense Polygraph Institute (DoDPI).
Polygraph method
is one of the most complex psychophysiological examinations ever developed. (Matte 1996)
Polygraph examination
is focused on studying the functions of human nervous system and the bodily reactions of the body of a person as influence by his mental responses to specific stimulus. In simpler words, it is a field of science dealing with the relationship between psychology and physiology.
The field of PSYCHOPHYSIOLOGY
It is a complex combination of cells whose primary function is to allow an organism to gain information about what is going on inside and outside the body and to respond appropriately.
The Nervous System
consists of the brain and spinal cord.
CENTRAL NERVOUS SYSTEM (CNS)
includes all neural tissue outside the central
nervous system.
PERIPHERAL NERVOUS SYSTEM (PNS)
-controls voluntary motor commands such as moving muscles to walk or talk.
Somatic Nervous System
. -controls involuntary motor commands such as
digestion and heartbeat.
Autonomic Nervous System
The autonomic nervous system which acts as a self-regulating response of the body,
is further divided into two branches
Sympathetic Nervous System
Parasympathetic nervous system
-also called the flight or fight mechanism, increases alertness stimulates the tissue and prepares the body for quick response to unusual situations.
Sympathetic nervous system
also called the rest and repose system, conserves energy and controls sedentary activities such as digestion.
is the study of lie detection, the methods, techniques and use of a .
POLYGRAPHY
is the machine/instrument, either ANALOG or Computerized Polygraph System (CPS).
POLYGRAPH
The word POLYGRAPH was derived from the two Greek words:
POLY (many or more) and GRAPHOS (writings).