Answer:
In policing/law, undercover operations/assignments involve investigators infiltrating criminal networks or posing as offenders in order to reveal organized crime activity. These operations take place in a variety of nations, with varying levels of oversight. In short, undercover operations entail secrecy.
Answer:
In general, every crime involves three elements: first, the act or conduct (“actus reus”); second, the individual's mental state at the time of the act (“mens rea”); and third, the causation between the act and the effect (typically either "proximate causation" or "but-for causation").