Evidence collection and reconstruction quiz

Small amounts of trace evidence can be conveniently packaged in a carefully folded paper package called what?

Druggist fold

Charred debris from an arson scene should be:

packaged in airtight container.

Which one of the following is a correct evidence-collection procedure?

Bloodstained garments should be packaged separately in paper bags.

How must an evidence collector take care to avoid potentially contaminating objects of evidential value by transfer of DNA?

Wearing a face mask

A properly maintained chain of custody is not the responsibility of which one of the following?

Trial judge

When evidence is submitted to the crime laboratory, the analyst receiving the evidence should do what?

Carry out the tests specified on the submission form and any further tests found necessary

When biological samples of unknown origin are discovered at a crime scene, what should investigators do?

Assume pathogens are present and treat the samples accordingly

What determines the appropriate manner of collecting and preserving physical evidence at a crime scene?

The nature of the evidence

All items of evidence should be placed in ________ containers to prevent damage through contact and cross-contamination.

separate

Evidence should remain ________ until investigators have documented its location and appearance in notes, sketches, and photographs.

unmoved

________ can occur by introducing foreign DNA onto evidence through coughing or sneezing during the collection procedure.

Contamination

All packaged evidence material must be ________ with evidence tape.

sealed

Failure to substantiate the evidence's chain of custody may lead to questions about the ________ and integrity of the evidence.

authenticity

________ evidence is evidence that provides a lead and may suggest possible explanations but provides no definite conclusion.

Circumstantial

Biological materials should not be stored in ________ containers.

airtight

Evidence without a confirmed chain of________ cannot be included in reconstruction.

custody

________ is the professional detachment practiced by individuals to avoid letting personal beliefs or biases affect the conclusions reached through observations.

Objectivity

True or false: Bloodstained clothing should not be placed in an airtight container.

True

True or false: Ordinary mailing envelopes make good evidence containers.

False

Investigators should seek to disprove a theory rather than prove one.

True