Exam 2: The Crime Scene

Digital crime-scene photographs require special measures to assure their admissibility in court due to:

The manner of collecting and preserving physical evidence at a crime scene is determined by:

Why is it important to include a brief description of the case history on an evidence submission form?

What types of protective clothing and equipment should an investigator wear when handling potentially infectious material?

The presence of blood and semen at crime scenes exposes investigators to:

The first critical step in crime-scene investigation is securing and isolating the crime scene.

Discuss what information, specifically about timing, is provided by the state of the following searched crime scenes. a. A young woman is found dead near the front door of her home. She had not reported to work at 8 am. The morning newspaper is on the kitchen table next to a clean, empty plate. The decedent is found wearing pajamas and messy hair. Burned toast is found in the toaster. b. A backpack and empty lunchbox belonging to a missing child is found on a couch in a mobile home owned by a 47-year-old single man with no family in the area. The backpack contains blank homework assigned to the child that day in school. The search reveals action movie posters, three video game systems, 25 video games, and drawers filled with candy bars.

It is important to include a brief description of the case history on an evidence submission form.

Which search pattern is most reliant on the boundaries established?

From the choices below, select the one correct physical evidence collection procedure.

________ materials should not be stored in airtight containers because this could encourage the growth of mold.

Which of the following items is likely to contain DNA evidence?

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A swab of the inner portion of the cheek B)A draft representation of all essential information and measurements at a crime scene C)Search method in which the crime scene is divided into smaller sections and team members are assigned to search each section. Each of these sections can be subdivided into smaller sections for smaller teams to search thoroughly. D)Search method that employs two people performing line searches that originate from adjacent corners and form perpendicular lines E)Search method in which the investigator moves in an inward spiral from the boundary to the center of the scene or in an outward spiral from the center to the boundary of a scene F)Search method employed by several people moving from the boundary straight toward the center of the scene (inwarD)or from the center straight to the boundary (outward) G)Search method used by one or two investigators by walking in straight lines across the crime scene H)A precise rendering of the crime scene, usually drawn to scale I)A list of all people who came into possession of an item of evidence J)Physical evidence whose origin is known, such as blood or hair from a suspect, that can be compared to crime scene evidence K)The initial survey of the crime scene carried out by the lead investigator where he or she will gain an overview of the scene in order to formulate a plan for processing the scene L)Any object that can establish that a crime has or has not been committed or can link a crime and its victim or its perpetrator M)Uncontaminated surface material close to an area where physical evidence has been deposited -Rough sketch

A rough sketch need NOT include a:

Ordinary mailing envelopes should not be used as evidence containers.

In the case of homicide, the investigator's search will be centered on the ________ and any type of evidence left as a result of contact between the victim and the assailant.

Three basic types of protective clothing recommended for investigators are ________ gloves, shoe covers, and liquid-repellent coveralls.

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A swab of the inner portion of the cheek B)A draft representation of all essential information and measurements at a crime scene C)Search method in which the crime scene is divided into smaller sections and team members are assigned to search each section. Each of these sections can be subdivided into smaller sections for smaller teams to search thoroughly. D)Search method that employs two people performing line searches that originate from adjacent corners and form perpendicular lines E)Search method in which the investigator moves in an inward spiral from the boundary to the center of the scene or in an outward spiral from the center to the boundary of a scene F)Search method employed by several people moving from the boundary straight toward the center of the scene (inwarD)or from the center straight to the boundary (outward) G)Search method used by one or two investigators by walking in straight lines across the crime scene H)A precise rendering of the crime scene, usually drawn to scale I)A list of all people who came into possession of an item of evidence J)Physical evidence whose origin is known, such as blood or hair from a suspect, that can be compared to crime scene evidence K)The initial survey of the crime scene carried out by the lead investigator where he or she will gain an overview of the scene in order to formulate a plan for processing the scene L)Any object that can establish that a crime has or has not been committed or can link a crime and its victim or its perpetrator M)Uncontaminated surface material close to an area where physical evidence has been deposited -Chain of custody

The initial survey of the crime scene carried out by the lead investigator is called:

The three methods of crime scene recording are photography, sketches, and ________.