DNA Evidence Evidentiary Sources and Confirmation
From a forensic or investigative perspective, it is preferable to seize different types of trace evidence in the first instance because it can provide a broader investigatory framework, because it can answer more questions than DNA evidence alone, and because DNA evidence is effectively a derivative of certain types of trace evidence.
First, trace evidence can provide an investigatory framework whereas DNA evidence is mainly used for purposes of confirmation. Trace evidence, for example,...