Question

HELP ASAP

Investigator Smith is trying to preserve as much DNA evidence as possible at his crime scene. He especially focuses on the victim's body. What possible DNA evidence could he collect from the body?
Evidence of gunpowder residue on the victims thumb
The suspect's fingerprints on the victim
The suspect's blood or tissue under the fingernails
The fingerprints of the victim

Answer 1

the suspect’s blood or tissue under fingernails. If the victim resisted the attack and tried to fight back, they probably got skin cells of the suspect under fingernails. the others are incorrect since there wouldn’t be gunpowder on the victim, suspect’s fingerprints on the victim is not valid evidence, and the victim’s fingerprints are obviously on themselves.