Attempt, as a crime, involves a substantial step toward committing a crime with the intent to complete it.
How can the law interpret this?
In this case, the actions of obtaining a map, a gun, and writing a hold-up note suggest substantial steps toward a bank robbery. However, the decision to abandon the attempt by walking out before presenting the note or gun might argue against meeting the attempt's criteria.
The mere presence at the bank with intent and preparation doesn't constitute an attempted bank robbery. The conscious decision to abandon the plan before any threatening action diminishes the completion of the attempt.
The action of bringing a gun could potentially constitute a separate crime of carrying a concealed weapon. Your friend, by possessing and waiting with the gun, might face charges related to attempted armed robbery.
The defense of voluntary abandonment may apply for choosing not to complete the crime, demonstrating a genuine intention to withdraw from the criminal act before its commission.