In some jurisdictions, the very act of preparing for a crime is a criminal offense in itself, though it is generally viewed as being natural behavior for lawbreakers.
"[1][2] Since criminals often to do act randomly to lead into their crimes, they often conspire and prepare greatly the executions of their action, their getaways, and their success in not being found out.
[4] Criminal law in some countries or for some conspiracies may require that at least one overt act must also have been undertaken in furtherance of that agreement, to constitute an offense.
[6] For the purposes of concurrence, the actus reus is a continuing one and parties may join the plot later and incur joint liability and conspiracy can be charged where the co-conspirators have been acquitted or cannot be traced.
In criminal law, it most commonly refers to the act of offering money to someone with the specific intent of inducing that person to commit a crime.