Exchange Principle states‚ “Any action of an individual‚ and obviously the violent action constituting a crime‚ cannot occur without leaving a trace.” It is hard to say Locard’s Exchange Principle was not disregarded. After three months of expert investigation it was found that the DNA evidence that was discovered at the scene did not belong to Jennifer or Noura. Also Noura’s own DNA was not found at all at the scene of the crime. It is very hard to understand how Noura could have made extreme violent
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the technology to prove it‚ therefore Locard’s Principle cannot be falsified as we can’t prove or disprove that there is an exchange. Referring back to the method of fingerprint DNA as evidential proof of a crime‚ an example of this would be if Forensic
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Crucial to any criminal investigation is information provided by witnesses & victims of crime. * Information is the lifeblood of investigations and it is the ability of investigators to obtain useful & accurate information from witnesses that is most crucial. * Police officers are tasked with the gathering of witness/victim info by way of an interview. * Thus‚ an officer’s ability to conduct an effective interview is a significant component of any investigation & one which is
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Another ethical issue surrounding a digital forensic investigation is how personal information about a suspect can create a bias for the investigator. Bias is a very large issue during a forensic investigation‚ it can change how well an investigator performs and how they will use the evidence to influence a case. During every investigation an investigator will come across information about a suspect that does not involve the crime‚ but may influence the investigator’s actions. These factors can be
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Forensic scientists use forensics to perform experiments on evidence to solve their cases. “... [F]orensic scientists do invaluable work linking evidence from crime scenes- such as fingerprints‚ injuries‚ weapons‚ DNA‚ computer data‚ drugs and counterfeit goods- to criminals themselves” (“Introduction”). The DNA found at the scene is inspected to see if it pertains to the crime. An important part of a forensic scientist’s job is to separate out important‚ unimportant‚ and non-essential evidence (Woodford)
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Homicide Investigation More work goes into a homicide investigation than what the media alludes to. Television shows like Law and Order‚ and CSI show an over glorified series of basic investigations as well as highly dramatic interrogation in which each homicide case is solved within a one-hour episode. In reality‚ a homicide investigation is 20 times more complex than what is aired on prime time television. Cases can take years to solve‚ and a large number remain open indefinitely. From start
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Bunting (2012)‚ Gogolin (2013)‚ Kral (2011) and Nelson‚ Phillips and Steuart (2010) provide lists of item that a digital forensics investigator should have at the scene. The table at the end of this section summarizes the suggestions of these authors. Hardware & software Data acquisition‚ particularly preserving volatile data‚ will be foremost in the mind of the digital forensics investigator upon arrival at the scene of the incident. If the machines are running‚ and particularly if the machines
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physical evidence‚ direct evidence‚ or real‚ or physical evidence‚ also known as forensic evidence. In “Forensic Science: Evidence‚ Clues‚ and Investigation” by Andrea Campbell‚ forensic evidence is the most important evidence that is presented during a trial. In addition‚ forensic evidence is the method in which crime investigators collect evidence such as blood samples‚ fingerprints‚ and other forms of DNA. Forensic evidence uses science and hard evidence to determine the innocent and the guilty
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Computer and Digital Forensics program at Champlain College. He was able to obtain some files‚ which he put on a floppy disk. To disguise his espionage‚ he decided to smuggle the floppy back home after altering the files so that they couldn’t be read using the ordinary DOS/Windows file manager. His deception was discovered‚ however‚ and the floppy has been recovered. Some of your counterparts have already tried to examine the disk to no avail. Upon discussions with Hanley‚ he has boasted that there
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Registry analysis is an important step for forensic investigators to collect evidence that supports their case. While running the malicious program‚ they will leave some traces as other programs which act as an important role to these investigators. The Windows Registry holds a great deal of information about the system such as the settings and configuration of the system. Firstly‚ the name of the computer is available in the following Registry sub key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName
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