Criminal Investigation Glossary.docx - CRIMINAL INVESTIGATION REVIEW TERMS Compiled by Rico T Musong RC accelerant In fire starting any flammable fluid

Criminal Investigation Glossary.docx - CRIMINAL...

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CRIMINAL INVESTIGATION REVIEW TERMS Compiled by: Rico T. Musong, RC. accelerant In fire starting, any flammable fluid or compound that speeds the progress of a fire. Also called booster . action stereotyping Based on typical actions, stereotyping in which an officer expects that a certain type of event will unfold in a particular way; can result in the officer's failure to see the event the way it actually occurs. active system (theft deterrent) A type of vehicle antitheft device which requires that the driver do something to activate and deactivate the system every time the vehicle is parked or driven. administrative log A written record of the actions taken by the crime scene coordinator, including assignments and release of the scene. admissibility A legal criterion used to determine whether an item of evidence can be presented in court; requires that the evidence have relevance, materiality, and competence. admission A person's acknowledgment of certain facts or circumstances that tend to incriminate him or her with respect to a crime but are not complete enough to constitute a confession. affidavit A sworn, written statement of the information known to an officer that serves as the basis for the issuance of an arrest warrant. affirmation The process in which a witness acknowledges that he or she understands and undertakes the obligation of an oath (i.e., to tell the truth with a realization of the penalties for perjury); a means of establishing a witness's competence. AFIS *I**see */I**Automated Fingerprint Identification System. agrichemical Any of various chemical products used on farms; includes pesticides, fertilizers, and herbicides. agroterrorism The use of biological agents as weapons against the agricultural and food supply industries. AIDS *I**see */I**human immunodeficiency virus.
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algor mortis The decrease in body temperature that occurs after death. alligatoring The checking of charred wood, which gives it the appearance of alligator skin. ALS *I**see */I**alternative light systems. alternative light systems (ALSs) Portable lasers and handheld ultraviolet lighting used to locate physical evidence at the crime scene; particularly helpful in locating trace evidence. amateur burglars Burglars who operate on the basis of impulse or opportunity, with no planning; often use sheer force to enter, ransack the premises for anything of value, and may become violent if detected and commit secondary crimes (e.g., murder, rape). ambush A robbery that involves virtually no planning and depends on surprise and the use of force against victims; usually produces a small score. American Society of Crime Laboratory Directors (ASCLD) An international society devoted to maintaining the highest standards of practice at crime laboratories; conducts an accreditation program for laboratories and education programs for lab personnel.
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