925 usually means its sterling silver, custume jewelry is usually made of a base metal. The value of costume jewelry is based on condition, manufacturer, and detail/fashion an â¦ d age.No some costume jewelry is valuable depending on the things mentioned above.25 usually means its sterling silver, custume jewelry is usually made of a base metal. The value of costume jewelry is based on condition, manufacturer, and detail/fashion an â¦ d age. No some costume jewelry is valuable depending on the things mentioned above.
Collecting and analyzing DNA evidence tops the list of the lab's forensic toolkit, and its ubiquity in shows like CSI and Cold Case has increased public awareness to the point that many jurors in real-world courtrooms expect to see DNA evidence presented -- whether a case calls for it or not.ince then, DNA evidence has played a bigger and bigger role in many nations' criminal justice systems. It has been used to prove that suspects were involved in crimes and to free people who were wrongly convicted.
Analysts isolate biological material and DNA evidence from a variety of sources, such as clothing, hats, brake and accelerator pedals, and weapons. Any surface that a person has come in contact with can potentially contain some measure of biological material.