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Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187...

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Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186-187 CPO Physics Advanced Planner May 6 C: Physics Fun H: No HW Bellwork: look at the picture given and match the fingerprints on the back write what was helpful to you when you were matching the fingerprints. Agenda 1.Measure the force mass and acceleration of a car
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Page 1: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Notebook Table of ContentsNew Table of Contents Next Unit… on page 185 draw

Get a Clue!186-187 CPO Physics

Advanced PlannerMay 6

C: Physics FunH: No HW

Bellwork:look at the picture given and match the fingerprints on the back write what was helpful to you when you were matching the fingerprints.

Agenda1. Measure the force mass and acceleration of a car

Page 2: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Notebook Table of ContentsNew Table of Contents Next Unit… on page 185 draw what you know on page 184

Get a Clue!186-187 Crime Scene Basics

Planner May 6C: Crime Scene BasicsH: No HW

Bellwork:look at the picture given and match the fingerprints on the back write what was helpful to you when you were matching the fingerprints.

Agenda1. Crime Scene Basics – before you can do CSI or forensic

science work, you need to speak the language…

Page 3: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Did you ever wonder how the C.S.I. characters on television got their start? Simple. They went to acting school. What about real life crime scene investigators? How do they get their start? Not too surprisingly, just like you. They get a really good background in many areas of science, some of which include blood typing, chromatography, and chemical reactions. With a thorough understanding of how to use the scientific method, they collect data, and come up with a hypothesis. After designing and conducting their experiments, they reach a conclusion. Sound familiar? It should. You've already done all of that. If you enjoy a good mystery and solving puzzles, CSI work could be for you. Have you got what it takes? We'll find out as you... "Get a Clue!"

Page 4: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Forensic Science

T. Trimpe 2006 http://sciencespot.net

Page 5: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

CRIME SCENE - Any physical location in which a crime has occurred or is suspected of having occurred.

PRIMARY CRIME SCENE - The original location of a crime or accident.

SECONDARY CRIME SCENE - An alternate location where additional evidence may be found.

ALIBI - Statement of where a suspect was at the time of a crime.

ACCOMPLICE - Person associated with a suspect.

SUSPECT - Person thought to be capable of committing a crime.

Crime Scene Vocabulary

Page 6: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Testimonial evidence includes oral or written statements given to police as well as court testimony by people who witnessed an event.

Physical evidence refers to any material items that would be present at the crime scene, on the victims, or found in a suspect’s possession.

Types of Evidence

Trace evidence refers to physical evidence that is found in small but measurable amounts, such as strands of hair, fibers, or skin cells.

Page 7: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

How can evidence be used?• May prove that a crime has been committed• Establish key elements of a crime• Link a suspect with a crime scene or a victim• Establish the identity of a victim or suspect• Corroborate (confirm) verbal witness testimony • Exonerate (prove blameless) the innocent. • Give detectives leads to work with in the case

Page 8: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

POLICE OFFICERS are typically the first to arrive at a crime scene. They are responsible for securing the scene so no evidence is destroyed and detaining persons of interest in the crime.

CRIME SCENE INVESTIGATORS (CSI) document the crime scene in detail and collect any physical evidence.

A DISTRICT ATTORNEY may be present to help determine if any search warrants are required to proceed and to obtain those warrants from a judge.

Crime Scene Personnel

Page 9: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

A MEDICAL EXAMINER (if a homicide) may be present to determine a preliminary cause of death.

FORENSIC SCIENTISTS (entomologists, anthropologists, etc.) usually analyze evidence in the lab, but may be called to the crime scene if needed.

DETECTIVES interview witnesses and consult with the CSI unit. They investigate the crime by following leads provided by witnesses and physical evidence.

Crime Scene Personnel

Page 10: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Step 1: Interview

The first step in investigating a crime scene is to interview the first officer at the scene as well as the victim (if possible) to determine what allegedly happened, if a crime took place, and how the crime was committed. This information may not be factual information but it will give the investigators a place to start.

Step 2: ExamineThe second step in the investigation of a crime scene is to identify possible evidence, the point of entry and point of exit, and to outline the general layout of the crime scene.

Crime Scene Protocol

Page 11: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Step 3: DocumentThe third step involves creating a pictorial record of the scene including a sketch, photographs, and video to demonstrate the layout of the crime scene and to identify the exact position of a deceased victim or other evidence within the crime scene.

Step 4: ProcessIn the last step, Crime Scene Investigators will process the crime scene for physical evidence. It is the their responsibility to identify, evaluate and collect the evidence from the crime scene for further analysis by a crime laboratory.

Crime Scene Protocol

Page 12: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Drug Chemistry and Toxicology – Determines the presence of controlled substances and the identification of marijuana. Tests body fluids and tissues to determine the presence of drugs and poisons.

Trace Lab - Identification and comparison of materials from fires, explosions, paints, and glass. Microscopic identification and comparison of evidence, such as hairs, fibers, woods, soils, building materials, insulation and other materials.

Analyzing the Evidence – Forensic Scientists

Page 13: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Biology/DNA – Analysis of body fluids and dried stains such as blood, semen, and saliva.

Latent Prints - Identification and comparison of fingerprints or other hidden impressions from sources like feet, shoes, ears, lips or the tread on vehicle tires.

Analyzing the Evidence – Forensic Scientists

Page 14: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

Ballistics (Firearms) – Study of bullets and ammunition through the comparison of fired bullets, cartridges, guns, and gunpowder patterns on people and objects.

Toolmarks – Examines marks left by tools on objects at a crime scene or on a victim, such as a hammer used to break a door or a screwdriver used to pick a lock.

Analyzing the Evidence – Forensic Scientists

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Questioned Documents - Examination of documents to compare handwriting, ink, paper, writing instruments, printers, and other characteristics that would help to identify its origin.

Analyzing the Evidence – Forensic Scientists

Crime Scene University

Click Here

Page 16: Notebook Table of Contents New Table of Contents Next Unit… on page 185 draw Get a Clue! 186 -187 CPO Physics Advanced PlannerMay 6 C: Physics Fun H: No.

What evidence would you collect?Why?


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