Crime is rapidly increasing in this day and age, however, thanks to the increasing technology we can now detect and prevent crime, using forensic techniques, which I shall detail in this essay.

... Forensic Science Crime is rapidly increasing in this day and age, however, thanks to the increasing technology we can now detect and prevent crime, using forensic techniques, which I shall detail in this essay. All contact leaves a trace; this is the basis of the policy taken by all forensic scientists, these traces have to be collected, and then examined, however care and precautions (protective suits and gloves etc) have to be taken to ensure that evidence or traces are not contaminated or damaged. There are two approaches to collecting evidence; there is the cautious approach of all visible areas and then the more vigorous search of concealed areas. When scientists are trying to detect poisons or toxins in the body (e.g alcohol), the laboratory methods they use are categorised as follows; physical tests, crystal tests, chemical spot tests, spectrophotometric tests, chromatographic tests. If the toxin were known to be alcohol, the collection

want to read more? →