A forcible rape you want to look at bruises semen stains or witnesses that may have heard screaming. Things like this are very important for an investigator to know to look for (Bennett & Hess, 71). As you can see there are many different steps in investigating crime scenes. It is very important that an officer follow the proper steps in an investigation. Failure to do this can result in a suspect to go free, possible charges against the department.
Different crimes will be reported and handled in a different fashion, even among the different major crimes that are committed. No matter what type of crime an investigator is working on solving, they should all be knowledgeable, patient and persistent in doing their duties. Once an alleged perpetrator has been identified by the investigator, it is important to balance their rights against the rights of the community that is being served by the law enforcement agency. Following policy will help prevent problems and mistakes from occurring. References Cornwell, N. C. (2004).
All decisions to a case should be based on numerous facts. Detectives rely on experience, study, and observation to collect and evaluate case facts. The decision making required can be stressful. One of the most important points in a detective job is to not become personally involved in the cases they investigate. If the worker gets personal involve in an investigation they can suffer stress.
By secure the scene to ensure that no evidence is misplaced or damaged, or otherwise compromised. Do a cursory check of the crime scene to obtain any transient evidence and secure any weapons found at the scene (in this case it was already at the scene with the suspect). Crime scene analysts and investigators communicate with first responders and are quickly briefed on the situation, and now a more thorough search can be conducted. A scene search is necessary to find evidence such as shell casings, biological evidence etc. At the time, a more detailed, extensive search will begin.
The purpose of crime scene investigation is to help establish what happened at the crime and to identify the responsible person or people. Carefully documenting the situation at a crime scene and recognizing all-important physical evidence do this. The ability to recognize and properly collect physical evidence is often times vital to bo... ... middle of paper ... ... keep tract and record everything in which they recover from a crime scene. Searching a crime scene is a long and thorough process, however, it will surrender many clues when done properly. Once the evidence is found, recorded and packaged, it must be sent to a crime lab for further processing.
It is important to understand that an investigation ultimately contributes the resolution of crimes, which also leads to the crucial process and effort in gathering evidence to accomplish the prosecution of the case. This involves in collecting different types of evidence that need to be considered, as well as, follow necessary guidelines so all evidence is impartial, relevant, material and competent. How does one begin to start a criminal investigation? Well, a crime must be committed and the first responders are patrol officers. They are the initial result in clearing out most crimes, why?
(Reno, 1999) Every evidence a witness proves can be critical in sentencing suspected criminals. But yet there is one way to obtain the most accurate and reliable evidence that investigators follow and is to keep an eye on procedures in their investigations. The Technical Working Group for
When someone is convicted or acquitted wrongly it has an adverse effect on the entire criminal justice system. Evidence can range from body fluids, to weapons, to witnesses and DNA. Understanding and implementing the proper logistics of crime evidence and the proper use of forensic technology is the key. Evidence can not only establish the facts of an offense and identify the offender; it may even lead to a conviction. A Crime Scene Investigator must first approach the crime scene as if it is their only opportunity to protect and retrieve physical evidence.
Assemble a set of guidelines on conducting preliminary investigation for a criminal case. When there is a criminal case, are a set of guidelines a criminal investigator should follow when conducting a preliminary inquiry. These guidelines consist of arriving to a crime scene in a timely manner just in case the suspect may still be at or near the scene (Hess, K.M & Orthmann, C.H., 2013). They will need to take care of any injured person or people that may need emergency care. Check to see if there are any witness seen what had happen.
The important initial actions that must be taken on by the officers at the scene of the crime are the two basic principles involved in the start of an effective homicide investigation. The first principle is to respond to the call rapidly, this is important because the detective needs to get to the evidence and protect the evidentiary materials before it is destroyed, altered, or lost. The second principle is anything and everything should be considered as evidence. Whether the evidence may be physical or testimonial, it must be preserved, noted, and brought to the attention of the investigators. The only evidence that should be collected at this point of the investigation is eyewitness accounts or statements that a suspect at the scene may have accidentally spontaneously spit out.