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Forensic science and criminal profiling
Forensic techniques that use chemistry
Forensic science and criminal profiling
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Scene of Crime Officer- They have a responsibility to protect the crime scene from the evidence being ruined in any way. Their role is to follow correct procedures to collect the evidence- they have to document it by using a camera to take photos of the evidence before they can collect it. Samples are bagged in protective packaging, Evidence that have to be casted such as tire tracks and footprints is done under the same procedure- photographed and then make casings. Forensic Pathologist- They have a responsibility to perform an autopsy and determine a cause of death. Their role is to identify the victim and then find out the time of death of the victim and should be done sooner rather than later to get a more accurate result. An autopsy is then carried out to determine cause of death. Criminal Profiler- Their responsibility is to produce a profile to assist the police in the criminal investigation. Their roles is investigate a crime scene, and study reports made by the experts in the case and interviewing witnesses. They then have to work on a psychological profile based on the evidence they have gathered. They have to write reports on their findings and may have to give testimony in a court. Forensic Scientist- Their responsibility is to analyse the samples taken from the crime scene back at the lab, applying the proper techniques Their roles depends on which area that they work in, chemistry, biology and toxicology-drugs. Those in chemistry; examine chemicals found, paint, Those in biology; DNA testing, contract traces. Those in toxicology-drugs; drugs, poison detection, examining blood and urine samples. They have to record their analysing in computers, written reports and oral. Some will have to appear in co... ... middle of paper ... ...ogist. To avoid contamination of evidence everything must be hygienic in the morgue room. The samples that are taken from the autopsy have to be placed in a container that is contamination proof. Majors that have to be weighed should be placed in refrigerated storage. Storage and preservation in the lab is the responsibility of the forensic scientists. The samples that are analysed in the lab have to be stored in the appropriate storage. Fluids and DNA must be placed in a storage that is refrigerated or frozen. Reactive chemicals that have been analyzed must be placed in airtight storage that is packed away from air vents and conditioning. Disks have to be protected against damaging. The evidence samples have to be protected against contamination, such as heat, water, vibration, magnetic fields. Anything that could cause a risk to contaminating the evidence.
In certain situations, it is necessary to identify DNA retreived from a sample. When there is a
They can trace the suspect with only a few clues within an extremely short time. They can even find out the personalities when they see someone's handwriting. They even have a private jet for Behavior Analysis Unite. When they take a case, they can fly to the location right away. They are good negotiators, too.
Being a criminal profiler is not like it is on all the television shows, but it is still an interesting and important job. Criminal profilers have been used to close many police and federal cases. They work in several homicide cases involving rape, racial killings, brutal killings, and involving serial killers. They help make it easier for the police to find the right person by examining the crime scene. Being a criminal profiler is a tough job but with hard work and dedication it is a great career choice.
The three individual needs that are addressed by criminal justice professionals are Crime Scene Investigators, Correctional Employees, and Child Protective Services. Each of these criminal justice professionals helps to keep the communities safe. They provide a service that promotes justice and safety. The roles, responsibilities, and various career
“Detectives and Crime Scene Investigators” United States. Bureau of Labor Statistics. Northeast Washington: 1978. Web. 9 Feb 2012 http://www.bls.gov/ooh/
Crime scene investigators have a very important role when it comes to catching criminals and putting them away for a crime they committed. They are also called Forensic Science Technicians. The main role for a crime scene investigator is to investigate crimes and to collect evidence. Most types of evidence being hair, tissue, and fluids like blood or saliva. Basically, they provide evidence that shows information to help either acquit or convict a person of a crime (Crime 1).
Along with these duties they must maintain case management files and field notes. Their job requires them to compile data, track and monitor offender data. Without this responsibility an offender would be able to go wherever they wanted. monitors and ensures payments of restitution and cost of supervision fees from offenders; serves as duty officer; completes monthly reports; monitors and enforces sex offender registration; may supervise staff; may perform additional duties such as lead probation and parole officer, field training officer, firearms instructor.
Crime scene investigators, also known as CSIs, have played an essential role in protecting citizens, by proving who is guilty, and who is innocent. CSIs use a large amount of Science and Math skills to solve crimes, resulting in a decent income. They are specialized in forensic science in order to examine crime scenes and recover important evidence (Career Cruising).
Forensic scientists work in labs where they examine, identify, and interpret evidence collected in crime scenes. Crime scene investigators collect evidence and pass it to a forensic scientist who uses the items in numerous ways to help catch criminals. Forensic scientists must also record the evidence and any tests ran on it in detail to prove the truth in court. A forensic scientist also has to be able to present his or her physical evidence verbally in court, so a strong communication background is important.
Collection of evidence is usually a term designated to refer to the collection of physical evidence, government agencies such as police or environmental protection departments will have their own methods for the collection, storage and conservation of physical evidence and it is the responsibility of forensic personnel to adhere to these set guidelines. General principles which are shared amongst various agencies include, the creation of contemporaneous notes, recording the collection of evidence via photographing, videotaping and/or audiotapes, preserving the crime scene by sealing off the location and only allowing designated personnel to enter, avoiding contamination of the crime scene by investigators through the use of full body covering and also preventing cross-contamination with the scene and any suspects.
Blood stains are one type of evidence that can be found at a crime scene. Blood that is still in the liquid form should be picked up on a gauze pad. Once the blood is dried thoroughly it should be refrigerated and sent to the Laboratory (Andrus et al., n.d., para. 1). If the blood stain is found dried on clothing, the officer should wrap the piece of clothing in clean paper and place it in a sealed and labeled container. An object with dried blood stains needs to be sent to the Laboratory if it is small enough. If the object is too large to send, then using a clean knife the stain needs to be scraped onto a clean piece of paper, which then can be folded and placed in an envelope (Andrus et al., n.d., para. 2). When collecting autopsy blood samples, the officer should request that the pathologist obtain the sample directly from the heart and place it in a yellow or purple stoppered vacutainer. If the victim is still alive but in serious need of a blood transfusion, then the pre-transfusion blood sample needs to be obtained promptly before the hospital discards it (Andrus et al., n.d., para. 4). It is important for the Laboratory to receive all blood samples within 48 ho...
“Crime Scene Investigator (CSI)”. Explore Health Careers.Org. 18 March 2014. Web. 14 March 2014. .
A forensic scientist analyzes different types of evidence from scenes or incidents, writes reports, and testifies in court as an expert witness. Being a forensic scientist is a very detailed oriented profession and they usually work some sort of a lab setting. Occasionally they may visit crime scenes or numerous accidents to help revamp the crime, gather evidence, or preserve data, but this is a very small part of their duties and is usually saved for a crime scene examiner. Forensic scientist may work for the federal or local government, forensic labs, police departments, hospitals, universities or as an independent forensic science consultant. Some specialist in Forensics Sciences are; Forensic Scientist, Forensic Pathologist, Forensic Anthropologist, Forensic Entomologist,
And with findings they will need appropriate staff. Often the officers
These technicians are typically the ones who analyze, take photos, make sketches and take detail of the scene. While analyzing there’s always those certain details in a scene that their looking for such as: fingerprints, palm prints, tire/shoe prints, wound imprints on a deceased person, hair, fiber’s and clothing. Different types of forensic scientists specialize in different things, for instance the time of death, cause of death, location of the crime, fingerprints, and DNA can be found using different methods of forensic