Fire/Ballistics REVIEW

When arson investigators begin their work, they are in search of the point of origin of the fire.

• True

• False

Combustion is the rapid combination of oxygen with another substance, accompanied by production of heat and light.

• True

• False

Which of the following best describes the trajectory of a projectile?

• The height of the shooter

• The pattern of the lands and grooves on the bullet

• The path and flight of the bullet

• The housing for the cartridge's gunpowder

The markings on a bullet/projectile that are unique to each weapon are called _______?

• Breechmarks

• Firing pin markings

• Lands and Grooves

• Striations

_______ are trails of accelerant used to carry a fire from one location to another.

• Streamers

• Vapors

• Hydrocarbons

• Burn patterns

Which of the following statements is true of arson investigation?

• Fire investigators extinguish fires, then investigate them for arson

• All deliberate fires are considered arson

• Investigators must begin the investigation by questioning eye witnesses

• Accelerants are always used in arson crimes

Most arson crimes occur when someone tries to conceal a crime.

• True

• False

Fire evidence is collected and placed in envelopes or plastic bags and is packaged according to the chain of custody.

• True

• False

It is possible to test positive for GSR even if one has never touched a weapon.

• True

• False

The burning of an unoccupied building such as an empty barn or an unoccupied house or other structure in order to claim insurance on such property is known as ______ degree arson.

• 1st

• 2nd

• 4th

• 3rd