these include those anonymous letter senders, phone callers or text sunders who give information about suspects of fugitives of juice

he should be permitud to le until he is wol unmeshed and falsehoods

these are persons who hang out at the fringe of the underworld

work both in syndicate and police

the type of interview appropriate for willing and cooperative witnesses Witnesses of this kind should be given this opportunity to Barat their accounts without intervention, interruption and interference from the interviewer

this are persons who are reluctant to become witness and particularly true among uneducated persons

the investigator should employ friendly approach spend sometime in explaining that the information obtained will be treated as a confidential

second or succeeding questioning to obtain further information that was missed during the preliminary interview and to clarity data that has been gathered

at some point in the interview, the investigator needs to indicate why The witness is being contacted

Informant under this category is usually a mistress or common-law/ lived in wife of criminal.

sells information to the highest bidder

flattery will encourage the drunk to answer questions and develop interest

This affinity may be established by presenting a good appearance, by a cordial and understanding attitude and by otherwise a conducive ground for cordiality, respect and alaying the witness's fears. In some cases: small talk may be necessary in order to calm the witness

source of information under this category includes the operators of licensed premises who do not want their plate af business to become the hang out of Bangerous criminals

The investigator must find ways. and meas shit nie talkativeness to those matter you in the investigation

prior to commencing the interview The investigator should identity himsatt to the witness by name, rank and agency

these people reveal information usually of no consequence or stories concocted from nowhere.

little share

the questions in this type of interview are phrased in such a way that the answers of the subject are based on his personal opinion of views

the interview should be Narration concluded when it becomes apparent that the witness has nothing left to offer

the purpose of these informants in providing information 18 toive their competitor Sometimes other Minions such as ng can be the factor why They provide information about the secret operations of then fixas

patience and flattery are necessary for they will be good witness because of their drive towards self-expression

both legitimate

Refers to the simpin and friendly questiont of a person who has information which is relevant to the crime or case under investigation

these informants are compelled by fear. Some criminals are afraid that when their associates commit crimes, they may be placed in a dangerous situation.

as a rule, the investigator should plow the witness to present whatever information he possesses as a narrative in his Own words

the questionnaire designed to acquire the basic and specific data facts regarding a criminal case. It is the type of interview that complies the cardinal points of the criminal investigation, the 5Ws and 1H

once the witness has told his initial story the investigator may then ask specific questions to fill in omitted facts clanty ambiguous statements, verify names, dates and other details and insure that all pertinent information has been extracted

refers to a person who give or provide information in consideration of a reward or remuneration he is paid for the information he gives

most difficult but the investigator must persevere and neutral topics must first taken.

paid assets

there are persons, usually accomplice of criminals, who provide information because they could no longer overcome their conscience

refers to a person who provides information to the investigator concerning a past or projected crime and does not wish to be known as the source of infomation

the self aggrandizing person is delighted in giving information to gain favorable attention or treatment from the police

the last questioning that may lead to let of offering a witness to testify during trial

Must be removed and the investigator must apply psychological pressure

refers to a person who gives information to the investigator without remuneration or reward

A person who provides info regarding criminal activities in exchange for reduction of changes or linient sentence.

honest and cooperative witness will be the ideal witness with the little care and guidance

initial questioning of the subject usualty conducted at me prime scen

Uncooperative, indifferent persons must be aroused He should at test be fattered to develop a pride in his ability to supply formation

this is the kind of interview that is focused only in obtaining data regarding the personal background of the subject.

these are also called automatic informants

A person under illusion of oppression by his enemies or other impending danger provides information to the police in order to allay his fears