Polygraph and Scientific Evidence

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  • Topic: Polygraph, Daubert v. Merrell Dow Pharmaceuticals, Evidence law
  • Pages : 1 (333 words )
  • Download(s) : 958
  • Published : July 3, 2012
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1. Discuss the underlying reasons for the rapid growth of crime laboratories in the United States since the 1960’s. supreme court decisions are what made police put a great emphasis on securing scientifically evaluated evidence so much in fact that the confession is almost no longer a recent investigation tool. 2. Describe the criteria for admissibility of scientific evidence as laid out in Frye v. United States. The criteria for admissibility of scientific evidence as laid out in Frye v. united states was the systolic blood pressure deception test also known today as the polygraph or lie detector test.

3. What document offers an alternative to the Frye standard that some courts believe espouses a more flexible standard for admitting scientific evidence? This would be called the Daubert standard which is when the judge becomes the “gatekeeper” on determining whether or not is a liable expert witness threw a serious of different questionable theories and such. 4. In its decision in Daubert V. Merall Dow pharmaceuticals, Inc who did the U.S. Supreme Court charge with ensuring that an experts testimony rests on a reliable foundation and is relevant to the case? They charged the judge with the decision this is known as the Daubert standard. 5. What is the main difference between the testimony given by an expert witness and that given by a lay witness?

The difference in a expert witness and a lay witness is that an expert witness has thory and tests and experience to back up and prove that what he is saying is true and a lay witness is basically just stating somewhat of an opinion. 6. Describe the advantages of incorporating an evidence collection unit into the organizational structure of the crime laboratory.

A couple of advantages of putting an evidence collection unit in crime laboratories is that unit will be able to recognize collect and package the evidence correctly and also they...
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