Crime Scene Material

Question 1

True or False: When a window frame at a crime scene shows signs of tool marks to force entry, it is important to:

1. Remove the entire damaged area (if practicable) for forensic examination.
2. Take control samples of paint or wood from the surrounding area.
3. Photograph the impression or mark in full light prior to collecting evidence.
4. Try fitting a probable tool into the mark to confirm it as the means of entry.

Answer 1

1. True
2. True
3. True
4. False

Question 2

True or False: It is important to consider the sequencing of examinations when submitting crime scene material for forensic analysis because DNA analysis can destroy the forensic evidence required for fingerprint examination.

Answer 2

True

Question 3

True or False: To avoid loss or contamination, small quantities of powders or tablets found at a crime scene must be packaged in self sealing plastic bags inside a standard drugs envelope.

Answer 3

True

Question 4

True or False: When a cellphone is located at a crime scene, turning it off or letting the battery run flat is advisable in the circumstances.

Answer 4

False (leave it on and plug it in. Turning it off or running the battery flat could activate a lock-out)

Question 5

During a scene examination you find a cellphone. You notice that it is turned on. What action should you take to uplift the phone?

Answer 5

Leave it switched on, uplift and contact ECL for advice.

Question 6

True or False: The basic rule for electronic equipment located at a crime scene is “if it is off, leave it off. If it is on, leave it on”.

Answer 6

True

Question 7

The minimum standards governing the collection of any item/exhibit that it is likely to be submitted for DNA forensic analysis are:

Answer 7

Handle one item of evidential material at a time.

Gloves and masks should be worn.

Question 8

During a crime scene examination you find a small amount of a dry substance in a jar. To determine if it is to be collected for analysis you can:

Answer 8

examine it with gloved hands.

Question 9

True or False: It is important to call a fingerprint officer to a homicide scene because latent fingerprints in blood and other contaminants on a body can be destroyed when a body is moved.

Answer 9

True