Criminal Investigation - The Art and the Science
Terms in this set (60)
Primary motivation is power over his victim (manhood).
The rapist's primary desire is to demonstrate his manhood to the victim through sexual assault.
The offender vents his anger and frustration toward the opposite sex by punishing them.
This offender has a strong propensity toward sadism, is prone to severly injure or murder his victim, and enjoys the victim's response to the infliction of pain and torture.
The Con, the Blitz, and the Surprise Approach
3 Methods of Approach that are exhibited by rapists.
The con approach
the victim is approached openly with a subterfuge or "cover".
The blitz approach
immediate physical assault is used to subdue the victim.
The surprise approach
the attacker waits for the victim in a secluded area and then approaches of his own volition.
Bow Street Runners
the first well-known investigative body in England.
- not in Scotland or a yard, it is the name of the London Police headquarters...one of the first police investigative units.
used combination of physical characteristics to identify people
developed agency in US, structure was later adopted by the FBI.
J Edgar Hoover
1st FBI director (1924)
study of human blood stains, distinguish them from animal blood stains
Sir Robert Peel
first modern police force, "bobbies"
- Beyond what we know to conclusions about what we don't know. This ice is cold so all ice is cold.
based on evidence to establish proof. there is an Adidas shoe print, the suspect was wearing Adidas shoes.
process of proposing a likely explanation for an event that must then be tested.
Coordinate/Baseline Sketch Method
measuring from an object from fixed points, or from a line drawn between to fixed points.
Triangulation Sketching Method
useful for outdoors, bird's eye view that uses fixed objects to measure from.
Cross-projection Sketch Method
walls are folded down, indoor crime scenes.
evidence a crime has been committed
The principal requirements to admit a photograph into evidence are _______ and ________.
Amido black protein
_______ is used to detect blood present with latent fingerprints by staining.
The Daubert Standard
_______ is a legal precedent regarding the admissibility of expert witness testimony during federal legal proceedings.
Self-incrimination clause - no one has to witness against himself.
Unreasonable search and seizures.
Right to confront their accuser and have legal representation.
highly suggestible and confused suspects who actually begin to believe they are guilty of the crime they didn't commit.
threatening to use, or using, illegal physical methods to induce a suspect to tell the truth.
restrictions on physical behavior to get a suspect to tell the truth.
a self-incriminating statement made by the subject that falls short of an acknowledgement of guilt.
tiny frequency modulations in the human voice.
a technique designed to show relationships between individuals and organizations using a graphical visual design.
demonstrates a chain of events or activites over a period.
refers to the requirement that officers take every reasonable effort to monitor only those conversations, through the use of taps, body bugs, and the like, that are specifically related to the criminal activity under investigation.
anyone who provides information of an investigative nature to law enforcement.
criminal suspects must be given an "opportunity" for the commission of a crime and not the "motivation" for doing so.
A procedure in which an arrested person is given the choiceof providing information to police in exchange for dropping their charges.
Stage 1: The Fresh Stage
Algor mortis: cooling of the body's temperature. Diptera: insects begin to lay their eggson the body during this stage.
Stage 2: The Putrefaction Stage
Odor, color changes, and bloating of the body. Body turns green due to bacteria. Gases enter the neck and face, causing swelling in the lips, mouth and tongue.
Stage 3: The Black Putrefaction Stage
The body cavity ruptures which releases the abdominal gases. Body turns brown. Take anywhere from 10 to 20 days. Heavy on insects.
Stage 4: The Butyric Fermentation Stage
Mummification, begins to dry out. All organs are lost due to insects.
Stage 5: The Dry Decay Stage
Final stage of decomposition, skeletonization occurs.
studies skeletons and human remains.
the passing of a bullet completely through the object.
the bullet remains inside the obect.
pooling of blood in the body closest to the ground.
tiny pinpoint hemorrhages may result from the discharge of unburned powder being deposited into the skin.
murder of seperate victims with time breaks.
murder that consists of 4 or more murders in a single incident within a short period of time.
murder that arouses intense public interest.
killings at two or more locations with almost no time break between.
the pattern of crevices formed by the burning of a wooden structure.
cashiers checks less than $10,000, bypassing the reporting requirment.
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