False negativetest result that states that an analyte is absent, when, in fact, it is present above the established limit of detection for the analyte in question.
false positivetest result that states that an analyte is present, when, in fact, it is not present or, is present in an amount less than a threshold or designated…
Fire Debrisa general term used to define the debris from a fire that is collected as evidence for laboratory examination.
Firearms and Toolmarks Sectiona discipline responsible for the comparison of firearms, casings, projectiles and other evidence that may be associated through toolmarks.
Forensicthe application of scientific knowledge to legal problems.