What is the importance of expert testimony? Explain.

Presented shoe impression as evidence of special interest to the case.
• Case 2: Presented tire impression as evidence of special interest to the case.
• Case 3: Presented handwriting analysis as evidence of special interest to the case.
• Case 4: Presented alternative light sources as evidence of special interest to the case.
Using the Internet, your textbook, or any other available materials, research a notorious criminal case that either used shoe impressions, tire impression evidence, handwriting analysis or alternative light source evidence (depending on the case type assigned to you from above).
Note: Please choose any case other than the O.J. Simpson case. Be creative in your research pursuits.
After researching a case, complete the following:
• Briefly summarize the case.
• Provide specifics about the investigation/background of the case. Were there any problems associated with handling the evidence in this case?
• If your case includes more than one type of evidence, other than the required evidence in your assigned case, please note that as well.
Be sure to reference all sources using APA style.
Also, discuss some of the specific laboratory techniques that may be conducted to analyze the evidence. (If you are researching an older case, provide information about how that evidence might be analyzed today).
After your research, you will have the following information for your case:
• A summary of the case
• Written material providing specifics about the investigation/background of the case, including any problems associated with handling the evidence in this case
• How a criminalist may properly collect, preserve, and analyze the evidence presented
• Specific laboratory techniques that may be conducted to analyze the evidence
• What is the importance of expert testimony? Explain.
o What problems exist with the use of expert witnesses? Explain.
• What role might an expert witness play in this particular case? Be specific.