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Why is DNA evidence more useful as exclusionary evidence than for positive identification of a suspect?

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7- Why is DNA evidence more useful as exclusionary evidence than for positive identification of a suspect?

8- Give the DNA sequence for the template strand that gives rise to the following sequence gel, prepared using the sanger method with a radioactive label at the 5' end of the primer.

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Why is DNA evidence more useful as exclusionary evidence than for positive identification of a suspect?

Solution: When you digest DNA with restriction enzymes, you create millions of fragments of all various sizes. You then separate these out on a gel and probe the gel with a particular radioactive probe to highlight bands of interest on an autoradiogram. Many bands appear on these autoradiograms which may appear to be identical but aren't identical at all. They just happen to be of the same size, and therefore, ...

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As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a drive-by shooting, which resulted in the death of a teenage male.

I have attach the full assignment. I don't know where to start. Help me please.

Write a paper involving a murder scenario. Aside from the information listed below, the details of the scenario are left to your imagination. The result should be a 1,750- to 2,100-word paper, in APA format, with at least three reliable sources to support your handling of various communication situations.

Here's the Scenario!

Scenario

As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a drive-by shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a low-income neighborhood. A number of witnesses approach you, including a child who was playing outside; a hearing-impaired, visually shaken man who was pumping gas at the station; and a group of young gang members, upset by their friend's murder.

Before you get out of your car, you pause to think about communication.

? Discuss potential communication barriers that you might encounter and how you might overcome them.

You get out of your car and look around the crime scene.

? Indicate the impact your nonverbal communications may have while interacting with other officers, witnesses, and possible suspects.

You want to interview your witnesses.

? Describe the interviewing process you would follow for each witness.
? How do you go about speaking with the hearing-impaired man, the child, and the gang members?

After gathering all your information, you go back to the police department.

? Discuss the technology used throughout the investigation and in the courtroom.
? What are the ethical issues to consider?

At the office, you begin to write your report.

? Compose a report based on the who, what, when, where, why, and how information available.

After all of the information is reviewed and you have followed up on leads, you have a possible suspect for the murder. When arresting the suspect, he suddenly takes a hostage. Address the following:

? Conflict resolution
? Subsequent interrogation
? Associated legal issues
? Writing a press release

Your suspect is finally charged with murder and pleads not guilty. A trial is set, and you attend it.

Who are the key participants in this trial? Discuss credibility issues.
What role will you play in the trial, if any?

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