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A criminal investigator is an investigational expert who deals with crime scene investigation and tries to uncover details related to the crime. He is required to collect evidences from the crime scenes like finger prints, clothing, and weapons. After collecting the evidence, he is required to investigate them thoroughly.

The criminal investigator is required to undergo thorough training. A. Harrison Barnes CEO of has pointed out that the main task of the criminal investigator is to strike a balance between the rights of the general public and the rights associated with the states. The criminal investigators work on behalf of clients who have been accused of some crimes. Identification of crime cases becomes most challenging in criminal cases since most of the cases are not identifiable. The prosecutor will always try to put up claims that the defendant is responsible for the crime committed. The defensive lawyer on the other hand tries to present the whole scenario in a different manner.

A criminal investigator or lawyer is thus entrusted with the responsibility of bringing the facts to the forefront. For this the criminal lawyer will need to depend on scientific investigations, study the documents, witness testimony and photos, says A. Harrison Barnes. The crime investigator needs to be extremely observant of the area where the crime took place. He cannot overlook even the minute and the most insignificant details. Crime scenes are considered to be major leads in a case. After investigating the crime scene, he is required to submit the evidences derived to the forensic department. The forensic department deals with the evidence in closer detail. Once the reports are out, the criminal investigator consults with the forensic professionals to assess the pertinence of the given case.

Interrogation is an important responsibility of criminal investigators. They are required to interview and investigate people related to the case to gain deeper insights, says A. Harrison Barnes. Primary investigations start with the family members and the coworkers. The criminal investigator tries to find out whether the suspect has had any bad relations in the past or enemies. The criminal investigator needs to undertake thorough research work to examine various aspects of the victim’s life. The research also helps him to hint upon the probable motives behind the crime. Many of the criminal cases remain unsolved, but for those cases which are solved, the investigator is required to present vivid evidences and prime causes behind the crime committed. It is then up to the judge, who decides whether an arrest warrant should be issued against him or not.

The criminal investigator must take special care of his client. Tasks such as arrangement of jail visitation or bail, falls within the purview of the criminal investigators says A. Harrison Barnes. The criminal defense lawyer may also work in association with the client’s family for finding out witnesses or evidences. He may also advise the client’s family about the ways in which the case will progress.

The criminal investigator is required to perform the following tasks says A. Harrison Barnes.

He is required to get hold of and analyze the evidences received after interviewing and observing the witnesses and suspects

  • He can make use of equipment like photo machines and camera for recording credentials and evidences.
  • They can assemble and link all the records gathered to create a chain of information and thereby prepare reports.
  • The criminal investigators are required to determine the direction, timing and scope of the criminal investigations.
  • The criminal cases attorneys are required to deal with the cases of organized crimes like civil rights violation, kidnap, bank robbery, public corruption, copyright infringement, violation of the state or federal statutes, and financial crimes.

The basic training for criminal investigation is CITP or Criminal Investigator Training Program. It is in this program that the basic techniques, methodology and concept of criminal investigation are dealt in detail says A. Harrison Barnes. The CITP went through a full Curriculum Review Conference or (CRC) in the year 2005. The CITP was revised and modernized in the year 2007. The efficient training program of the CITP ensures that the students are well trained. The training methods help them to sharpen their communicative and interpersonal skills. These skills are considered to be indispensable for criminal investigation and Special Agencies. There are lectures delivered, practical classes held to ensure that they are well trained. The under cover operations and interview of the witnesses, help them to develop a case, write criminal complaints, give out arrest and search warrants and swear in court room hearings says A. Harrison Barnes.

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