Well if there was a murder weapon there at the death scene, the investigators check the weapon for fingerprints. Same for if there are random murder objects lying around anywhere, they'd check it for fingerprints. I suppose after checking the weapon or murder object, they set it under a scanner that is connected to a computer and it tracks who's fingerprints were last on the murder object and the title and picture of that person comes up. Hope this helped.
Unfortunately, people with lower self esteem are more likely to abuse drugs than the rest of their peers... They don't feel worthy and feel useless to the world.. So the answer is d.
