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33 Cards in this Set
- Front
- Back
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Criminal Investigation |
Is an art which deals with the identity and location of the offender and provides evidence of hiss guilt trough criminal proceedings |
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Three fold aim or phrases |
1.To identify the guilt party 2. To locate the guilty party 3. To provide evidence of his guilt |
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Perseverance Intelligence Honest Understanding of the people an environment Keen power of observation |
Qualities of a good Investigator |
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Six Cardinal Points of investigation |
What, where,when, whom, why , how |
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Three I' s |
Information, interviews and interrogation, and instrumentation |
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Information |
The knowledge and data , investigator can acquire from the person and records |
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Regular sources |
Records, files from government and non |
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Cultivated Sources |
Information gathered from informants |
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Grapevines Sources |
Information from under world characters |
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Interview |
Conversation with a purpose to obtain certain information from the person |
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Ironic format |
Interviewing of a witness |
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Identity |
Investigator should identify himself to the subject by name, ranks and agency. |
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Rapport |
To get good the positive feeling of the subject towards the investigator, such as freindly atmosphere |
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Opening statements |
The investigator must have to indicate why the subject is being contracted. |
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Narration |
The witness should be allowed to tell all he knows with little interruptions from the investigator |
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Inquiry |
After all information have been given by the subject , that is the time for the investigator to ask question |
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Conclusion |
Proper to close the interview with out must courtesy and thanking the subject for his cooperation |
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Interrogation |
Questioning of a person suspect to having committed an offense or a person who is reluctant to make full disclosurr |
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Miranda Doctrine |
Jurisprudence which laid down the constitutional rights of the accused during custodial investigations |
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Emotional appeal |
Investigator should provide emotional stimuli that will prompt the subject to unburden himself by confiding |
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Sympathetic appeal |
The suspect may feel the need for sympathy or friendship when he is apparently in trouble |
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Kindness |
To assume that the suspect will confess if he is treated in a kind and friendly manner |
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Extenuation- |
Investigator indicates he does not consider his subjects indiscretion a grave offense |
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Mutt and jeff |
Two agents ,mutt the relentless investigator, who is not going to waste any time, jeff , kind hearted man |
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Pretense of physical Evidence |
Investigator pretend the certain physical evidence has found by laboratory |
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Bluff on a Split Pair |
Applicable when there is more than one suspect, the suspect are separated and one is informed that other has talked |
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Jolting |
Be applied to calm amd nervous subjects by constantly observing the suspect |
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INSTRUMENTATION |
Instruments and methods of physical science to the detection of crime |
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One of the golden rule |
Do not touch or move any object |
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the Law of Multiplicity of Evidence in identification. |
number of points of similarities and dissimilarities of two persons compared, the greater is the probability to be correct. |
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Method of identification |
By comparison By exclusion |
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Positive Identification- |
This uses information that identify an individual beyond question and is legally acceptable as pertaining to and originating from a particular individual. • Information developed after comparing questioned with inked fingerprints. • Result of DNA analysis of blood and semen |
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Tracing Identification- |
This involves the use of all other information that maybe indicative of the personal identity of an individual. • Description of witnesses as to the appearance of culprits • Information about the presence of a suspect's personal belongings at the crime scene |
