Forensic Science: Which is an example of how gross evidence can be used to solve a crime?

A. A latent fingerprint on a murder weapon did not match that of the suspect.

B. Clearly visible fingerprints on a knife are matched to a suspect.

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

D. The coagulation of blood near a victim indicates that death occurred 2 hours prior to discovery, when a suspect was reported at work. < I think