CSI Evidence Collection and Seven SS

How should a shirt with biological evidence on it such as a blood drop be packaged?

• it should be packaged in paper to allow for drying

• it should be packaged in plastic immediately

• it should be packaged in the same container as other evidence

An alternate location where additional evidence has been found.

• Secondary crime scene

• Primary crime scene

• Physical location 

• Suspected location 

The ability to establish the exact whereabouts of an item of evidence and under whose control it was from its collection at the crime scene to its presentation in the courtroom and everywhere in between is called

• chain of command

• record of evidence

• chain of custody

The method used to support or recreate a likely sequence of events by the observation and evaluation of physical evidence, as well as statements made by those involved with the incident is called

• identification

• classification

• reconstruction

• comparison

What process must investigators follow when collecting evidence and packing evidence at a crime scene?

• The scientific method

• chain of custody

• locard's principle

A clear, well-documented chain of custody should be established through a process that includes the following in order.

• Prepare the chain-of-custody record

• Mark and package the evidence

• Take notes, document recovery location, time and date recovered or received, description of item, condition of item and any unusual markings on or alterations to item.

• Seal the evidence

Answer explanation

Check out this website for more info about evidence collection

https://projects.nfstc.org/property_crimes/module03/pro_m03_t17.htm

A victim's fingernail scrapings would be correctly packaged in:

• a druggist fold

• sealed, airtight containers.

• a plastic Ziploc® bag.

• Paper evidence bag

Which of the following is a method used for collecting DNA evidence?

• Swabbing

• Fingerprinting

• Interviewing

• Photographing

What is the purpose of using a paper bag for storing DNA evidence?

• To prevent moisture buildup

• To save space

• To reduce weight

• To enhance visibility

Which of the following is a potential source of contamination when collecting DNA evidence?

• Using new gloves

• Breathing over the evidence

• Using sterile swabs

• Wearing a face mask