AB6 Evidence & Investigation

What is considered as an investigation tool?

• Coffee
• Flashlight
• Key
• Rubber Band

If we see footprints that are close together, this means:

• The person was running
• The person was walking

When we find evidence, we should touch it without gloves

• True
• False

What's the first thing you should do at a crime scene?

• Secure and protect the scene
• Call your friends and tell them

Why are fingerprints considered individual evidence?

• Because everyone has different fingerprints
• Because everyone has the same fingerprints

Which of the following footprint characteristics would best assist an investigation in determining the weight of a suspect?

• Depth

• Width

• Pattern

• Length

Which of the following statements outlines a proper procedure to use when completing a chromatography test?

• The chromatography paper should be left in the water until the ink disappears.

• The chromatography paper should be dipped completely underwater and then quickly removed.

• The bottom 1 cm of chromatography paper should touch the water, but the ink should not.

• The chromatography paper should be dipped in the water so the ink level is just under the water level.

Fingerprints are left on objects because of

• dust and dirt

• pressure

• salt and oil

• sugar and oil

Soil analysis does NOT include testing

• Moisture

• Texture

• Colour

• Taste

Chromatography is a way of

• separating the dyes in inks

• separating the ink in dyes

• doing photography with dyes

• creating black ink from various colours