Which is an example of how trace evidence can be used to solve a crime?

A forensic scientist concludes that large hairs found on a murder victim were not those of a suspect, but rather those of a dachshund.

A large clump of hair next to the victim is matched to a suspect.

A blood pool that matches that of the suspect blood type.

A forensic scientist concludes that tiny hairs found on a murder victim was the murder.