Conspiracy theory (1997) - Richard Donner
Jerry Fletcher is a man in love with a woman he observes from afar. She works for the government. Fletcher is an outspoken critic of that government. He has conspiracy theories for everything, from aliens to political assassinations. But soon, one of his theories finds itself to be accurate. But which one? Some dangerous people want him dead and the only person he trusts is that woman he loves but does not know. Mel Gibson is a New York taxi driver, who has a strange habit. He makes complicated scenarios of conspiracies and publishes them to the Internet. He keeps doing that, until something unbelievable happens: One of his "conspiracy theories" turns out to be real, and so he finds himself chased by the man hiding behind the whole thing.