subject: Effective Investigation Using Evidences [print this page] After a crime has been committed, the first authority to study the crime scene rests in the hand of state police department. If the family of the victim is not satisfied with the entire procedure or the family thinks the crime needed further effective investigation, they can appoint private investigators. However, none of the private detectives can carry out private investigations of their own without the permission of the victims family. But investigating a murder is a very challenging task because you need to identify the killer who has smartly conducted the crime without leaving any traces. The famous phrase, every killer leaves behind some trail and you need an eye to see it, is actually true. With the help of several scientific studies, identifying the killer is no longer a difficult task; all you need to do is to act patiently to find these evidences.
Eyewitness
As the term suggest, it refers to all those people who have seen the crime to occur. Usually, such evidences are hard to find but they are regarded as the most valuable source for effective investigation. An eyewitness can give general identifying information about the suspect like sex, height and so on. They can even give an overview about the offender and help the investigating team to sketch an idea about the killer. Even video evidences can also be regarded as a type of eyewitness as it records the event and such a clue worth huge as it speaks about the whole crime.
Document
Documents can even help in private investigations. It can give an idea about the reason behind the crime, whether it was related to finance, property or any other confidential matter. In cases like murder, document evidence hints about the motive or the current situation of the victim. The credit card records and other bank records would speak about any unnecessary withdrawal of money. It can even give an idea about the time and scene of the murder.
Physical evidence
Physical evidences can be defined as physical objects that are found at the crime scene like broken door, glass, flat tire and others. It also includes murder weapons like knives, guns, or fired bullets and others that can act as solid evidences. These physical evidences leave behind various traces as well as impression of the offender like fingerprints or tire marks that can act as great leads for private investigations.
Scientific evidences
For effective investigation, the investigators take the help of the forensic to study various clues. For instance, the blood samples collected from the cloth or carpet are kept in a safe place and studied in the lab to get DNA evidences. The hair fibers collected from the crime scene can equally help to get close to the offender. The autopsy carried out on the body provide huge set of information about the time of the death, possible instrument used or the distance of the victim form the offender and so on.
Evidences are keys to get close to the culprit but the investigators have to use his intelligence to achieve success. To know more about the investigation services log on to www.rqinvestigations.com.
