... might be found in a nearly invisible speck of blood" (Schefter 2). For instance, in the three tests done on O.J. Simpson's DNA samples from his blood, hair, and other tissue, the PCR test was used 70% of the time, which resulted in a match with the samples from a murder scene (Reibstein ... seventeen year-old boy was arrested and convicted in England for two murders, one in 1983 and the second in 1986. Semen stains removed from the victim's clothes sent the young man to prison for life (Froelich and Leyden 1). Remarkably, DNA from a saliva sample on an envelope ... matched that of one o...

• Word Count: 1919
• Approx Pages: 8
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• Grade Level: High School