Occasional Defense means that objectively, the victim is or is about to illegally infringe on the defendant or others, but the defendant does not realize this subjectively. For the purpose of illegal infringement, he uses force against the victim, which objectively plays the effect of personal defense.
According to the above definition, which of the following acts does not belong to Occasional Defense?
Wearing a police uniform and an electric baton, A pretended to be a policeman to catch gambling. When A caught B and searched him, B wounded A and fled, but A failed