What types of trace evidence can be found in your home? For this assignment you are going to collect what is on your floor and examine it to determine what could be done with it if it was evidence recovered at a crime scene. Instructions:
• Find an area in your home where there is trace evidence. This includes hairs, fibers, soil, glass and paint. Look for dust bunnies in a corner, vacuum up a portion of a rug, or sweep up an area.
• Look at the hairs, fibers and soil, etc. that are present in this trace evidence sample.
• Where in your house can you collect samples of known items for comparison? Should you collect hair from your dog? Cat? Your own head? Did you find fibers like those in items of clothing you wear? Is there dirt present which could come from your yard?
• Make a list of the items you found and the “known” samples you could compare them to.
• Write a short answer to the question: How could this trace evidence assist in an investigation
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In my home, possible trace evidence that can be found includes hairs, fibers, soil, glass, and paint. To collect the trace evidence, I would choose an area such as a floor corner or rug where dust bunnies or loose particles are likely to accumulate. I would then vacuum or sweep up a small portion of the area.
After examining the trace evidence sample, I may find various items present. For instance, there could be hairs from my dog, cat, or even my own head. I might also discover fibers similar to those found in clothing items that I regularly wear. Additionally, there might be soil or dirt particles that could potentially be linked to my yard.
To collect samples of known items for comparison, I would need to gather hair samples from my dog, cat, and myself. Furthermore, I could collect fibers from clothing items that match the ones found in the trace evidence. I could also take soil samples from my yard to compare with the soil found in the trace evidence.
The list of items found in the trace evidence sample would include various types of hairs (dog, cat, human), fibers from clothing items, and soil or dirt particles. The known samples for comparison would consist of hair from my dog, cat, and my own head, as well as fibers from clothing items that match the ones found, and soil from my yard.
This trace evidence could assist in an investigation by helping to establish a connection between individuals, objects, or locations. For example, matching a hair found at the crime scene to a known hair sample from a suspect could indicate their presence at the scene. If fibers from the crime scene match those from a suspect's clothing, it could provide strong evidence linking them to the crime. Similarly, if the soil found in the trace evidence matches the soil from a suspect's yard, it could suggest their involvement in the crime. Therefore, analyzing and comparing this trace evidence can be crucial in building a case and identifying potential suspects.
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