Why are pus cells found in stool? A: Pus cells are commonly found in healthy stool, and they help to ease the passage of stool, according to About Health. However, these pus cells are not visible to the human eye. If pus, or mucus, is visible in the stool, this can indicate the presence of a disease or condition. Continue Reading.
DNA evidence is analyzed using the polymerase chain reaction (PCR) method, which allows for very small samples to be tested and identified. Once the sample is tested, it may be cross-referenced with DNA profiles already in a database or with genetic data provided by a suspect.
What is class evidence? Class evidence is evidence that can be linked to a group of people  rather than individual evidence which can only be linked to one  person. Although class evidence can helpâ¦ solve cases, its not  guaranteed to solve it. An example of class evidence is if a shoe  print is left behind and the only thing they can make of it is the  shoe size or make, that would be a class characteristic since many  other people may have that same shoe size and make.