Forensic equipment

thumb|American inventor Leonarde Keeler testing his improved polygraph on [[Arthur Koehler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann]] A polygraph, often incorrectly referred to as a lie detector test, is a pseudoscientific device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series of questions. The belief underpinning the use of the polygraph is that deceptive answers will produce physiological responses that can be differentiate

branch of digital forensic science

Package of items used by medical personnel for gathering and preserving physical evidence following an allegation of sexual assault

thumb|right|upright|Two hobos walking along railroad tracks after being put off a train. One is carrying a bindle.

type of microscope