Scientists examine the physical, optical and chemical properties of trace evidence and use a variety of tools to find and compare samples, and look for the sources or common origins of each item. Most test methods require magnification and/or chemical analysis.

Trace!evidence!canalso!be!gathered!by!tape!lifting,!however,!this!is!not!ideal! due!tothe!destructive!nature!of!adhesives.! Samples!that!potentiallycontain!fibers ...

(Courtesy)Becky)Carter,)CEP)) It’is’a’physicalmatch"P"If"trace"evidence"is"found"on"the"suspector"in"his" possessionthat"matches"something"at"the"scene,"this ...

investigators!can!access!an!average!ofthe!last!200!cell!locations!accessed!by amobile!device.!!Satellite!navigation!systems!and!satellite!radios!in!cars!can!