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105 Cards in this Set
- Front
- Back
Criminal investigation |
Is the process of legally gathering evidence of a crime that has been or is being committed |
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Bias |
A highly personal and unreason distortion of judgment |
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Crime |
An act or omission forbidden by law and punishable by fine, imprisonment or death |
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Circumstantial evidence |
Not based on actual personal knowledge or observation of the facts in controversy come a but of other facts from which deductions are drawn, showing indirectly the facts sought to be proved |
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Complainant |
Person requesting an investigation or action that Action is taken |
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Corpus delecti |
The body or substance of the crime. In law the term refers to proof establishing that a crime has occurred, the necessary elements that constitute a crime |
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Elements of a crime |
Conditions that must occur for an act to be called a specific kind of crime Element of offense” means:(A) the forbidden conduct;(B) the required culpability;(C) any required result; and(D) the negation of any exception to the offense |
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Evidence |
Anything to be offered in court to prove the truth or falsity Of a fact in issue |
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Fence |
One who receives and disposes of stolen property on a regular basis |
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Field identification |
On the scene identification of a suspect by the victim of or witness to a crime, Conducted within minutes of the commission of a crime |
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Prejudice |
Any opinion or learning adverse to anything without just grounds for before obtaining sufficient knowledge |
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Modus operandi |
A criminal's characteristic method of operation |
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Proof beyond a reasonable doubt |
The level of proof required to obtain a conviction in a criminal trial |
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Probable cause |
Evidence that warrants a person of reasonable caution in the belief that a crime has been committed or is being committed |
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Rapport |
A feeling of ease and harmony in a contact or relationship between people |
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Reasonable doubt |
The level of certainty ager must have to find a defendant guilty of a crime |
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Statement |
A legal narrative description of events related to a crime |
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Suspect |
A person considered to be directly or indirectly connected with a crime, either by overt act or by planning and/or directing it |
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Witness |
A person who saw a crime or some part of it being committed or who has relevant information |
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Victim |
The person injured by a crime |
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Criminal investigation tools |
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Goals of a criminal investigator |
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Characteristics of a criminal investigator |
observant
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Professional Criminals, Thief |
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Professional heavy criminal |
Felony theft
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Semi professional and skilled thief |
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Burglar |
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Robber |
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I identity theft |
They sumption of another person's identity for use and fraudulent transactions |
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Con artist |
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White collar criminal |
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White color business Fraud |
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Forgery and credit card abuse |
Least violent
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Auto thief |
Comprise to both amateurs and professionals
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Street theif |
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Gray market vehicle |
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Homicides |
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Sexual assault |
Administering drugs including alcohol
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For methods of gaining sexual access to a person |
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Opportunist Rapist |
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Sadistic rapist |
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Anger rapist |
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Power rapist |
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Categories of pedophiles |
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Situational pedophiles |
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Regressed |
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Morally indiscriminate |
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Naive or inadequate |
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Preferential Pedophile |
• Subtypes are mysoped and fixated • Subtypes are mysoped and fixated |
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Mysoped |
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Important factors when profiling Molesters |
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Common psychological defenses |
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Assaults |
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Abused and sexually exploited children |
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Children reaction to fear |
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3 to 6 years old |
Most affected. Able to say who and show what but |
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6 to 11 years |
Feel responsible. Model dad behavior. Confused about parents. Can give a narrative but not times |
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Adolescents and teens |
Teen issues magnified. Incomplete narrative but understanding implications. |
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Dont lie to kids |
Or make promises you can't keep |
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Characteristics of abusive parents |
Explanations
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Mom who child is victim of family sex abuse |
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Elder abuse |
Major types
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Hate crime |
A criminal offense against the person or property which is motivated by the Offender's bias against race, Religion Elements of crime must include motive to prove |
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Pulmonary investigation procedures |
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Autopsy |
A post mortem examination of the body |
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Post mortem lividity |
Dark blue discoloration observable on parts of the body nearest the ground appears to hours after death |
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Rigor mortis |
Stiffening of the muscles after death. Starts at lower neck and jaw spreading downward. General rule 5 to 6 hours after death. Disappears within 36 hours following the same path |
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Body temperature |
98.6. The cooling rate is dependent on temperature in the air manner in which bodies clothes and size of person |
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Putrefaction |
The composition of body tissues |
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Cadaveric spasm |
Deathgrip. Severe Injury to the central nervous system |
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Atomic absorption test |
Determines quantitative and proportional concentrations of specific elements and materials through analysis's of a vaporous ample |
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Laser examination |
Detection of finger prints and examination of questioned documents |
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D n a |
Useful for blood stains hair roots semen virginal fluid. |
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Luminal |
A chemical method for detecting latent blood |
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Determine upon arrival At Seen |
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ID serious bodily injury |
If person is alive and conscious obtain identification and information about Next of kin |
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ID death |
Obtain permission from medical examiner or Justice of peace to move or disturbed body To look for ID |
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Special units |
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Establish crime scene perimeter |
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Crime scene search |
A planned and Coordinated legal search of a crime seemed to locate physical evidence or witnesses to the crime under investigation |
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Point to point search |
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Strip search |
This method in both single and double form is among the most effective for outside searches |
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Quadrant or sector search |
Effective for indoor and outdoor scenes that have regular patterns or defined borders. |
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Circular search |
Useful when an item is missing from the center and the search must be conducted rapidly |
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Area search |
Effective in examining specific and small areas with defined borders |
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Aerial search |
May employ Infra red |
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Search implementation Procedure |
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Summoning assistance for search |
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Leaving the scene |
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The 1st photo of crime scene |
Should be of a card identifying photographer date location and case number |
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Starting photos |
Should be exterior to Interior or with a landmark to locate evidence then to detail from the farthest relevant point |
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The 2 methods of measuring for a crime scene sketch |
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Crime scene sketch |
Is catch is a drying which represents the crime scene and serves to Supplement photography by providing accurate information concerning the distance between various points at the scene. Helpful in reconstructing the scene Sketches record exact locations and relationships of pieces of evidence and surroundings of grumps I |
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Preparing a crime scene sketch |
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Types of Types of crime scene sketches |
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Perspective sketch |
3 dimensional sketch. Objects are drawn the way they P appeared to the eyeWith reference to relative distance or depth. Useful when no cameras available |
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Projection sketch |
A bird's eye view. All places and objects are drawn on one plane as seen from a both. Cross projection is drawn with all walls Laid flat. |
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Schematic sketch |
Employed when it is desirable to represent an orderly combination of events which have occurred. Traffic Accident report. |
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Detailed sketch |
Employed when a small area is not illustrated due to scale. |
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Chain of custody |
Chain of custody is the process which records transactions of evidence from person to person since its acquisition and bought lawn force ment agency. Maintains exactly what happened to the evidence. |
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General considerations in handling of evidence |
Preserve its integrity, Preserve its value to the owner and mark evidence if possible. |
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Evidence types |
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Packaging evidence |
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Safety precautions |
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Firearms evidence |
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