anything that tends to prove or disprove the existence of a fact

proves a fact without inference or presumption and which conclusively establishes that fact

requires an Inference or presumption to establish a fact rather than personal knowledge or observation

witness statement that tends to prove or disprove facts about case

to document everyone who handled the evidence as well as when, why, and what changes, were made to it

form from the friction ridges or Corrugated lines on fingers

Molded or Embedded fringerprint that you can easily see, created by touching an impressionable surface

allow fingerprint analysts to distinguish between prints belonging to Either the victims and witnesses or possible suspects

result from body residues left behind when friction ridges of hands or feet make contact with surface

variation of strip/line search pattern. searchers overlap in cross pattern makes search more methodical and thorough often used indoors

searcher begins at certain point and walks in increasly larger circles to the outermost boundary usually used outdoors by one person

divide the area into four different sections and search each area using one of the patterns above used for vehicle searches both indoors and outdoors or large areas

divide search area into lanes. have one or more people search each lane by moving in both directions usually used outdoors by several people

usually a ruler or yardstick providing a form of measurement towards your evidence or crime scene

document that details the name, rank, and agency of each person entering or leaving the scene date and time of persons entry and exit

the site or sites where crime occurred, including an area or areas that contain evidence from crime committed

refers to the Legal requirements which must be met before a jury can see or hear about Evidence

refers to actual objects offered to prove or disprove facts about a case

holds that if you Execute a search warrant you believe is valid, but court determines warrant has error, court may still admit any seized evidence

holds that the court may exclude evidence from trial if the officer obtained legally

people who furnish police with information about crimes, primarily for personal benefit or advantage and rarely out of a sense or civil city

small quantities of material transferred from victim or suspect to each other or to a crime scene hair, fibers, clothing, paint chips, glass, wood, soil, dirt

type of confidential source who an officer recruits and manages based on their agency

person who can identify another person by sight as someone involved in criminal proceeding

a procedure that displays a group of people to a victim or eyewitness so they can identify the perpetrator of a crime and eliminate any suspects

fingerprints, tires, shoe, footprints marked; bite marks, tool marks

any person you have contact with while on patrol

the presentation of a possible suspect to a witness for identification and occurs during the same time or after the incident occurred or near accident or crime scene

meaning mode of operating or MO refers to how someone does something, usually repetitive in nature.

focuses on establishing whether a criminal act has been committed and if so what type and when and where it was committed

forbids anyone who will testify from discussing any suspect with anyone but the involved attorneys

a selection of photographs compiled to show to a victim or eyewitness in a non-suggestive manner for identifying a suspect

a procedure that displays a photo array to victim or eyewitness so they can identify the perpetrator of crime and eliminate any suspects