Why does Sally raise his gun at the cops?

Sally raises his gun at the cops out of fear and desperation, feeling cornered and threatened by the situation. He may perceive the officers as a direct threat to his safety or freedom, leading him to act defensively. This reaction could stem from a history of trauma or a misunderstanding of the police's intentions, pushing him to make a life-or-death decision in a moment of panic. Ultimately, his actions reflect a complex interplay of emotions and circumstances that drive him to escalate the situation.