What is the primary reason that no two firearms leave the same marks on bullets and cartridge cases?

• The firing process is different for each gun.

• The bullets are made of different materials.

• The crystalline nature of metal and machining process create unique features.

• The size of the bullet varies for each firearm.

What motivated Brad Storms to pursue a career in firearm examination?

• A recommendation from a friend.

• His lifelong interest in hunting and the science behind firearms.

• His family's history in law enforcement.

• The financial benefits of the job.

What is one of the key roles of a forensic firearm examiner in an investigation?

• To sell firearms to law enforcement agencies.

• To repair damaged firearms.

• To link a firearm to a suspect or exonerate the innocent.

• To determine the age of the firearm.

How are bullets collected from crime scenes?

• They are collected by medical examiners and hospital technicians.

• They are only collected by police officers.

• They are left at the scene for investigators to find later.

• They are collected by the victims' families.

What is the significance of linking a firearm to a suspect in a shooting?

• It is crucial for proving the suspect's involvement in the crime.

• It is used to determine the age of the suspect.

• It helps in determining the type of ammunition used.

• It helps in identifying the manufacturer of the firearm.