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Investigating The Differences Between Effective Operative And Searching Versions

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According to the modus operandi (the methods used by a criminal during commission a crime); criminal police officers are frequently able to identify an offender. Visual identification of a stranger by the victim is possible as well. However everything should be done quickly and thoroughly.
Sometimes it is necessary to take into consideration that criminals can commit different type of crime than it is documented in the police files. Thus, criminal police officers should keep their minds wide open and definitely focus on:
 discovering the time and location where a suspect claimed to be (somewhere else than on the crime scene and at the time when the crime occurred),
 verification and supplementation of initial information with additional information …show more content…

Data acquisition, their study from various types of information sources
Effective operative investigation demands a work with various information sources (not only from police environment and sometimes not only from official sources). This is why criminal police officers frequently use administrative information systems, civilian information systems, municipal information systems, and the press (e.g. they usually study advertising when they investigate a particular property crime).
14. Setting out operative and searching versions
Operative and searching versions have a character of a working hypothesis that is used by criminal police officers during their operative investigation. The hypothesis is a suggested explanation for a group of facts (modus operandi, personality of the perpetrator, motive, etc.) or phenomena (particular crime) and it is usually accepted as a basis for further verification.
The basis for forming and formulating of the operative working hypothesis is information which has been gained from:
 person who reported crime,
 preliminary informative crime scene examination and examination of surrounding areas to the crime scene,
 operative investigation so far,
 preliminary statements and opinions of forensic

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