CDI 211
What is the primary job of an investigator?
to discover whether or not an offense has been committed under the law
It refers person/s who gives information with/without monetary reward.
Informant
These are information that are derived from records, files from government and non- government agencies, news items, intercepted radio or telephone messages and stored computer data.
Regular Source
He maybe an anonymous phone caller, letter-writer, or text sender. Never tell the informant that the investigator already knows the information. The duty is to receive the information, not to reveal any other information to the caller about facts already known.
Anonymous Informant
Enumerate the 3 I's of Criminal Investigation.
1. Information
2. Interview/Interrogation
3. Instrumentation
In the ironic format of interview it means that after the interview, it is but proper to close the interview with utmost courtesy and thanking the subject for his cooperation.
Conclusion
In the ironic format of interview it means that it is good to get the positive feeling of the subject towards the investigators, such friendly atmosphere is a vital for both the subject and the investigator to have a better interaction.
Rapport
In the rules of interview that needed to be followed it means the nod of the head or any other body language as a response to the questions should be avoided. The answers must be oral, clear, explicit, and responsive to the questions.
Avoid Implied Answers
In the ironic format of interview it means that prior to the commencement of an interview, the investigator should identify herself/himself to the subject by name, rank and agency. Except when there is no need to know the officers identity.
Identity
In the ironic format of interview it means that after all information have been given by the subject, that is time for the investigator to ask question to clarify him about the case under investigation.
Inquiry
These are information coming from the underworld characters such as Prisoners, criminals and ex-convicts.
Grapevine Source
In the rules of interview that needed to be followed it means do not ask questions that could be answered by mere yes or no because it will curtail the complete flow of information and will lead to inaccuracy.
Yes and No Answers are not allowed
The ___________ of one criminal is distinct and different from the other. It is a criminal trademark, logo or brandname.
Modus operandi
What is the golden rule in interview?
"Never conduct or let anyone interview if the interviewer has not gone to the crime scene."
It refers to person/s who gives information mainly for purposes of a reward.
Informer
In the rules of interview that needed to be followed it means a short simple question at a time is required. If the answer needs qualification, then, it should be allowed. Avoid legalistic questions.
Questions should be clearly stated
In the ironic format of interview it means that the witness should be allowed to tell all he/she knows with little interruptions from the investigator.
Narration
In the rules of interview that needed to be followed it means that multiple and complex questions should be avoided. One question at a time is desired.
Ask Question at a Time
In the ironic format of interview it means that the investigator must have to indicate why the subject is being contracted.
Opening Statement
In the rules of interview that needed to be followed it means embarrassing questions on the subject on matters of exaggeration or honest errors about time, distance, and description can be avoided if the investigator will cooperate with the subject "to save his face". The investigator should not fault or ridicule the subject on these matters.
Saving Faces
It is considered to be the lifeblood of Criminal Investigation.
Information
This kind mostly maintains being anonymous. His purpose is to eliminate the rival person or gang due to competition or other motives such as revenge, etc.
Rival elimination informant
These are information that are derived from initiative of the investigator from informants and informers.
Cultivated Source
A type of informant that usually reveals information of no consequence, value, or stuff connected with thin air. His purpose is to appear to be on the side of the law and for throwing out the suspicion from himself or his gang or associates.
False Informant
What are the six cardinal points of investigation?
What was the crime committed? Where was the crime committed? When was the crime committed? Who committed the crime? Why was the crime committed? How was the crime committed?