What is the big problem with Angel Carter?

Cite evidence what moment might be called the climax, or highest point of tension, in act v? what is clear to the audience and to macbeth at this point?

What is wong with this sentence cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

The author’s purpose for including this in the introduction is