Forensic Science - Crime Scene Protocol PDF

Circumstantial Indirect evidence that may link someone to a crime Serologists These scientists test blood, saliva, and other body fluids to provide clues about a crime and its suspects or victims Latent Scientists who use their knowledge in identifying fingerprints, footprints, palmprints, etc. are...

Circumstantial Indirect evidence that may link someone to a crime Serologists These scientists test blood, saliva, and other body fluids to provide clues about a crime and its suspects or victims Latent Scientists who use their knowledge in identifying fingerprints, footprints, palmprints, etc. are known as _____ print specialists CODIS Represents the Combined DNA Index System, which is a database of DNA profiles Document Third step in crime scene protocol that involves making sketches and taking photographs Examine Second step in crime scene protocol that involves exploring the scene to locate potential Process Last step of the crime scene protocol that involves the collection of evidence Suspect Person thought to have committed a crime Botany The study of plants; may provide clues to help investigators identify locations where suspects or victims may have been Toxicologists These specialists tests body fluids and tissues to determine the presence of drugs and poisons Psychologists The field of forensic ____ includes the scientific study of the mind and human behavior to provide clues about a suspect or a crime Physics The study of forces and motion; may be helpful in forensics while analyzing or reconstructing a crime scene or accident Computer ____ forensic investigators are trained to analyze digital media, investigate cybercrime and fraud, and incidents of hacking DNA Forensic ___ profiling is a technique employed by forensic scientists to identify individuals by characteristics of their genetic makeup Crime Scene Protocol Procedure for processing a crime scene - Interview -> Examine -> Document -> Process FBI A federal crime fighting agency known as the Federal Bureau of Investigations Polygraph Also called a lie detector Secondary A location where more evidence from a crime was found (not the first one) Mastered (6) You've been getting these terms right! Select these 6 Accomplice Person suspected of helping another person commit a crime Alibi Statement of where a suspect was at the time of a crime Crime Scene Location where a crime or accident took place; could be primary or secondary Facial Composite Another term for a sketch of a person's face Interview First step in crime scene protocol that involves taking to witnesses and victims Physical Evidence Items that may be tested and examined; blood, fingerprints, toolmarks, etc. Not studied (13) You haven't studied these terms yet! Select these 13 Entomology Forensic ______ includes the study of insects and their life cycles to determine time of death Anthropology Forensic ______ includes the study of human remains and skeletons to help in identifying victims Biology The study of living things and their DNA Ballistics The study of bullets and ammunition as well as gunpowder patterns on people and objects Toolmarks A ______ specialist examines marks left by tools on objects at a crime scene or on a victim to provide clues about a crime Pathology Scientists in this field investigate the cause and manner of death Odontology Forensic _____ includes the study of teeth and their features to analyze bite marks and identify human remains Chemistry The study of atoms and elements; may be helpful in forensics when trying to identify substances left behind at a crime scene Detectives Some policemen/women are classified as ____ who interview witnesses and consult with the CSI unit as part of their job Bloodstain ____ pattern analysts (BPA) use their knowledge of blood and its properties to analyze blood spatter found at a crime scene Testimonial Evidence that includes oral or written statements given by people who have witnessed a crime or accident Autopsy Examination of a body to determine cause of death and other details about a crime Primary The location where a crime first occurred or started (physical or testimonial) - Blood, semen, and saliva - Documents - Drugs - Explosives - Fibers - Fingerprints Types of Physical Evidence 1. nature of the offense 2. characteristics of the witness 3. manner in which info is retrieved factors that affect accuracy of eyewitness temporary; easily changed or lost; usually observed by the first officer at the scene transient evidence (transient, pattern, or conditional) odor, temperature, imprints and indentations examples of transient evidence (transient, pattern, or conditional) blood spatter, glass fracture, fire burn pattern, furniture position, projectile trajectory, tire marks or skid marks, modus operandi examples of pattern evidence produced by a specific event or action; important in crime scene reconstruction and in determining the set of circumstances or sequence within a particular event Conditional Evidence (transient, pattern, or conditional) light, smoke, fire, location, vehicles, body, scene examples of conditional evidence items that may associate a victim or suspect with a scene or each other; ie, personal belongings Associative Evidence body fluids, hair, plant parts, natural fibers Biological Evidence (Individual or class) DNA. fingerprint, lip print, large pieces of broken glass, handwriting Examples of individual evidence a kind of evidence that identifies a particular person or thing individual evidence material that can be associated only with a group of items that share properties or characteristics class evidence (Individual or class) cut paper, matches, fibers, blue jeans, eyeglasses examples of class evidence Not studied (7) You haven't studied these terms yet! Select these 7 statement made under oath Testimonial Evidence Any object that can establish that a crime has been committed or can link a crime and its victim or its perpetrator. Physical Evidence (physical or testimonial) 1) Grand jury testimony 2) Statements in response to police interrogation 3) Documents: police reports are; business records are not testimonial. Types of testimonial evidence a description of an event by a person who was there given under oath eyewitness account produced by direct contact between a person-object or between object-object pattern evidence produced by contact between person(s) or object(s), or between person(s) and person(s) Transfer Evidence fibers, glass, soil, gunpowder, metal, mineral, narcotics, drugs, paper, ink, cosmetics, paint, plastic, lubricants, fertilizer Chemical Evidence 1. What is the primary goal of evidence collection at a crime scene? ○ A) To prove the guilt of the suspect ○ B) To recognize, document, and collect evidence ○ C) To find the suspect as quickly as possible ○ D) To create a scenario of the crime 2. Locard's Principle refers to: ○ A) The analysis of DNA evidence ○ B) The rule that evidence is always circumstantial ○ C) The theory that "every contact leaves a trace" ○ D) The importance of eyewitness accounts 3. Which of the following is considered circumstantial evidence? ○ A) A confession by the suspect ○ B) Eyewitness testimony ○ C) A suspect's fingerprints found at the scene ○ D) A video recording of the crime 4. Which type of evidence can link a suspect to a crime scene or victim based on unique traits? ○ A) Class evidence ○ B) Trace evidence ○ C) Individual evidence ○ D) Physical evidence 5. Which of the following is an example of trace evidence? ○ A) Fingerprints on a glass ○ B) A suspect's gun found at the crime scene ○ C) A security camera video ○ D) An eyewitness statement 6. What type of evidence would hair or body fluids be classified as? ○ A) Physical evidence ○ B) Testimonial evidence ○ C) Biological evidence ○ D) Trace evidence 7. The chain of custody ensures that: ○ A) Evidence is collected by police only ○ B) Evidence can be tracked from collection to court presentation ○ C) The suspect cannot deny involvement in the crime ○ D) Only forensic experts can analyze evidence True or False: 8. Physical evidence refers to material items present at the crime scene, on the victim, or in the suspect's possession. 9. Class evidence narrows the identity to a specific individual. 10. A paper bindle is often used to package biological evidence like blood. 11. Direct evidence, such as eyewitness accounts, directly proves a fact without needing inference. 12. The CSI team consists of police officers, detectives, CSI investigators, medical examiners, and specialists.