Unit 4 Review

Collection Method

100

What tool is commonly used to collect hair and fibers?

Forceps

200

Which method may be used to collect small fibers from clothing?

Tape Lift

300

Small glass fragments are usually collected with

Forceps or tape

400

Liquid blood should be collected using a

Sterile Gauze Pad

500

What is used to collect particulate evidence?

trace evidence vacuum

General Knowledge

100

Why should each piece of evidence be packaged separately?

Prevent Contamination

200

Which item should always be worn when collecting evidence?

Gloves

300

What should investigators do before collecting evidence?

Photograph it

400

What is another name for a paper bindle?

Druggist Fold

500

The transfer and documentation of evidence possession

chain of custody

Storing Evidence

100

Wet clothing should be ______ before packaging

dried

200

Saliva should be stored as a _______________ sample

Biological

300

What is used to store trace evidence?

Druggist Fold

400

Which type of evidence should NEVER be stored in plastic?

Biological 

500

Biological evidence should generally be refrigerated at

2-8 ⁰C

Legal Aspects

100

protects people from unreasonable searches and seizures by the government

4th amendment

200

prohibits the federal and state governments from imposing excessive bail, excessive fines, or cruel and unusual punishments

8th amendment

300

Guarantees due process, protects against self-incrimination and double jeopardy, and sets rules for grand juries and eminent domain

5th amendment

400

Which item should be documented every time evidence changes hands?

date and time of transfer

Names

Signature

500

Why is maintaining chain of custody important?

authenticity and integrity

Riddle Me This

100

I am unique to you and leave a distinct impression wherever you touch. Detectives use specialized powder or superglue fumes to make me visible at a crime scene. What am I?

Fingerprint

200

I can be found in a single drop of blood, a strand of hair, or a trace of saliva. I hold a complete biological blueprint, and when scientists run me through a gel or a sequencer, I create a unique barcode pattern that can convict or clear a suspect. What am I?

DNA

300

I arrive exactly when life departs, acting as an internal biological clock. First, I make the muscles completely loose, but within a few hours, I bind them tightly into a rigid, unbending state before slowly fading away a couple of days later. What am I?

Rigor Mortis

400

One winter day, there was a man standing in the middle of someone’s front yard. The person stayed there for several weeks without moving and the owner of the yard didn’t mind. Eventually the man left. Who was he?

A Snowman

500

A woman shoots her husband, then holds him under water for five minutes. A little while later, they both go out and enjoy a wonderful dinner together. How can this be?

She shot her husband with a camera and then developed the photo.