SCENARIO: You are police investigator assigned to solve a case of house robbery. In your investigation, you discovered a small quantity of blood and a sample of skin in a piece of broken galss from the window where the thief entered. However, these blood and skin samples from insufficient to yield conclusive results. NO USABLE FINGERPRINTS WERE EVEN OBTAINED QUESTION: What can you do with these samples to help you identify the prime suspect? Please be justify the procedures :)

SCENARIO: You are police investigator assigned to solve a case of house robbery. In your investigation, you discovered a small quantity of blood and a sample of skin in a piece of broken galss from the window where the thief entered. However, these blood and skin samples from insufficient to yield conclusive results. NO USABLE FINGERPRINTS WERE EVEN OBTAINED QUESTION: What can you do with these samples to help you identify the prime suspect? Please be justify the procedures :)

Intro To Health Care

4th Edition

ISBN:9781337338295

Author:Mitchell

Publisher:Mitchell

Chapter6: Organization Of The Human Body

Section: Chapter Questions

Problem 1AE

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SCENARIO: You are police investigator assigned to solve a case of house robbery. In your investigation, you discovered a small quantity of blood and a sample of skin in a piece of broken galss from the window where the thief entered. However, these blood and skin samples from insufficient to yield conclusive results. No usable fingerprints were even obtained. QUESTION: What can you do with these samples to help you identify the prime suspect? Please be specfic :)
1) A forensic scientist is required to collect blood samples from the crime scene and analyze it to help the investigators understand who participated to the murder. i) As a first step, the scientist needs to extract DNA. Indicate why red blood cells are not a good target for the analysis, and list at least two chemicals/compounds that are required to extract the DNA, explaining why they are used. ii) The sample has been collected in a small amount, so that (s)he decides to use PCR to analyze it. Describe why PCR is better suited to address small samples with respect to Southern blotting and how is selectivity addressed with this technique.
1) Would it be an issue if the sample gathered off the crime victim’s clothes was a blood sample versus the suspect’s sample being hair strands?
Numerous red-colored fibers from a sexual assault crime scene are delivered to the crime lab along with red fibers from the suspect’s clothing. What instrument should the trace analyst use to view the fibers and obtain chemical information that could be used to compare the crime-scene and clothing samples
STR analysis was performed on blood from a crime scene as well as from three suspects. The crime scene DNA is marked Evidence. Which suspect’s DNA matches the evidence?
You are a police investigator assigned to solve a case of house robbery. In your investigation, you discovered a small quantity of blood and a sample of skin in a piece of broken glass from the window where the thief entered. No usable fingerprints were even obtained. What can you do with this samples to help you identify the prime suspect?
What specific biological evidence from a crime scene can be used to determine the approximate time of death?
If you were a crime scene investigator, what type of fingerprint impression would you have discovered on the following objects? a) A chocolate bar. b) A bloody print on a knife. c) A plastic bag.
Are there other legitimate means that can be used as a substitute for the polygraph test? Do these alternative media present any privacy concerns?
In three sentences or less, interpret the meaning of the report for a non-medical lab person. What would you want to be told if you were the patient?
The autopsy consists of a(n) ___________ examinationand a(n) ___________ examination.
What does a guy need to do (e.g. how different does his DNA profile need to be?) to be excluded as a possible contributor to a DNA profile from an evidence sample?