27. Jоhnny hаd tаlked оnline оn his sociаl media accounts for some time about his desire to shoot a prominent public figure. He often had talked about his assault rifle that he intended to use because it was “so darn accurate.” The police had monitored Johnny’s social media posts for some time but finally grew concerned that Johnny would eventually carry out the plan. The police obtained a search warrant and entered Johnny’s home just as he was picking up a bullet to insert into his assault rifle as the prominent public figure was driving by his open window. Police officers jumped on Johnny and placed him in handcuffs before he was able to place the bullet in the chamber. Assuming Johnny is charged with attempted murder of the public figure, what is his best defense out of the following?