Question

What drug is the greatest challenge for Forensic Science? What drug in specific is a threat in Forensics.

Answer 1

The greatest challenge to forensic science isn't any one drug, but a combination (mixture in an appropriate way) of drugs and chemicals and their complex reactions. The longer the drug remains in the body, the more it is metabolized into another substance. 

[Letter is bolds, are important concept here ]

Hope this helps!

Answer 2

Marijuana is a key drug in Forensic Science <span />