It is said that interrogation in the key phase of any criminal investigation. Therefore, for criminal investigators regardless they of associated with enforcement department, private detective agency or an organization like FBI, interviewing the clients or victim, the witnesses and suspects are extremely important. They also record various confessions or conversation of people related with the criminal act that helps in the process of investigation. In order to become successful in the profession, a criminal investigator should possess certain skills, qualities and special attributes that help him solve the cases with efficiency.
As per version of Adam Quirk the distinguished criminal justice that an investigator must be prepared with a list of questions while he should ask his clients and suspects to reply him exactly to the point. Once different conversations are recorded, it is possible for investigators to find discrepancies among varied stories said by the persons interviewed. A criminal investigator must be an excellent listener and sharp minded. He should have the ability to read or comprehend the body language of suspects recognizing which helps in uncovering more information that leads to conclusion.
During interviews, many witnesses try to withhold information and start lying. With his insight, knowledge and brilliance, the professional should understand them and start cross-questioning making them fumble. Interview session is a significant phase which one should utilize to gather varieties of information from people involved as well out of physical and site evidences. A criminal investigator must be backed by the following skills
Technical skills and knowledge about law
Investigators should have up-to-date knowledge to use varieties of newest surveillance devices and tools such as camera, biometric apparatus or tools employed to get fingerprints. He must be aware of the laws in relation to the case. In fact, he is a responsible position holder to protect criminal offences sticking to the legal guidelines. In the training course, criminal justice and criminal inspectors are taught about their lawful power as well as obligations.
Many times, investigators may require dealing with cases that are extremely emotional or things that make him irritated or angry. While expressing his anger can make suspected alert, and they try withholding important information, emotional feelings can be advantageous for offenders. While he should show necessary empathy to victims, he should also not forget that none is beyond suspects.
Problem solving and critical thinking
With a high level problem solving ability on logical basis, an investigator can effectively put together the evidences as well as statements of witnesses that are obtained in course of the investigation. This is just like a puzzle game whereas, a criminal investigator like Adam Quirk FBI can solve many contradictory factors with their problem solving and critical thinking ability.
For all kinds of criminal investigations, comprehensive research skill is vital. In course of the analysis process, investigators are supposed to collect database on the background of victim, witnesses and suspects. If the case is commercially related, he has to get into company policies, their financial status, relationships with the stakeholders and others. He can access all these information with his research and study skills.