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Sample 1 Imprint |
Sample 2 Impression |
Sample 3 Glass |
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| Analyze the evidence and the chemical properties of the material. Key properties such as color, density, chemical, or biological composition should be discussed. | The imprint was from a car that can be considered as being out of alignment to a minimal degree. The imprint has been created on lose soil, which is loaded with natural debris. The wheels of the vehicle used to create the imprint are the same brand, size, and design. That can be noted from their measurement. | The impression is from a shoe worn by the primary suspect during the course of the crime. A close review of the impression suggests that the individual is an adult. The shoe impression has been created on dark loamy soil that contains traces of organic matter. | The glass damaged was 4mm while having a density of 2500 kg/m 3 . The most affect part of the glass is the outer lining area, which has been affected by alkalis. Small pieces of glass can be seen throughout the entire area where the suspect was found. |
| Describe how this evidence was correctly collect from the scene. | The imprint from the wheel was collected from the scene using negatives from a Nikon camera. The investigators focused on the use of a launching selection method and a raising technique to collect the imprint without any damages. | The shoe impression was collected from the scene through photographs taken by a Nikon camera. Several pictures were taken as evidence of the impression for purposes of creating an avenue for comparison with shoes from the suspects. | The crime scene investigators used zooms and lights to collect all pieces of glass from scene. The use of such zooms aided in collection of smaller pieces of glass samples remaining. It was clear that the investigators needed to focus on the use of an effective approach to maximize on their evidence collection. |
| Necessary tests to be performed on this type of sample. | When examining imprints from wheels, investigators need to evaluate the unidentified imprints based on the type of vehicle with such wheels (Miller, 2013). In this case, the investigators may need to use the imprints to determine the type of wheels, which would determine the type of car to consider. | Shoe impressions often determine whether a suspect’s shoe-sole style to help in recognition of a particular brand of shoes and size (Lee & Pagliaro, 2013). In the event a shoe retrieved from a suspect fits the description, it becomes somewhat easier for investors to place the suspect at the scene of crime. | Evaluation of the color, solidity, and other visual qualities of the glass gathered from the scene may help in determining the exact type of glass. Investigators may use this to their advantage in seeking to determine the exact nature of crime, which can be achieved using a wide array of equipment. |
| Hypothetical results recorded. | Hypothetical results from the evidence reflect on favorably coordinated impact resulting from the suspect’s motor vehicle. The results show that the vehicle is slightly out of alignment. | Hypothetical results from the scene suggest that the suspect slightly built attributed to the nature of the impression. The impression also determines that the shoe belongs to an adult, probably male. | The results from the scene highlight that the glass may have been broken using a blunt object. Several signs suggest that the suspect may have hit the glass more than once before it broke. That can be attributed to the density of the glass. |
| Apply the hypothetical results from the evidence collected to the investigation and include discussion about how the results could influence a decision in a trial setting. | The wheel imprint shows that the vehicle is probably a truck based on the size of the tire, which was used as a getaway vehicle from the crime scene. The results would influence a decision in a trial by placing a specific type of vehicle at the scene. That would then help in strengthening the prosecution’s case. | The shoe impression suggests that the shoe may have a slightly worn out sole, especially in the middle section of the sole. That will influence a decision, as any suspect with an exact shoe-sole type that is worn out in the exact same manner may be considered to have been at the scene of crime based on the impression. | The evidence suggests that the glass may have been hit by an object to improve on the suspect’s ability to break it. That can be supported by the tool marks found on the door. Finding the exact tool used would be of great important in strengthening the case that the prosecution intends to support in a court of law. |
References
Lee, H. C., & Pagliaro, E. M. (2013). Forensic evidence and crime scene investigation. Journal of Forensic Investigation , 1 (2), 1-5.
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Miller, M. (2013). Crime Scene Investigation Laboratory Manual (1st ed.). Burlington, Vermont: Elsevier Science.
