No, its not ZERO evidence. There are some evidences of real excorcism. Its nothing new of disbelieving that they are real, because even pharisees and sadduccees saw, but still disbelieving and name calling on Jesus. You are stereotyping christians. Even tho you choose what you think. But like I said their are evidences of it. And some are denying it and knowing they are real but won't accept the fact they are real. All the mentally illness and stuff are not always demon possess. I noticed how it works of many people. When news media has a fact proof of excorcism and thinking still false. When same news media show SOME false preachers, a lot were say see, they are false and you believe them and claim ALL do that. All I can see, is avoiding the truth and taking on christians out of context. Regard of what's going on of all kinds, I must let the Holy Spirit guide me and cautious me who is real and false. I have seen many false philosphies and doctrines. In my early christian life, I fall easily and notice and the sense of it doesn't sound right and that's how I must study the Word to make sure what is right and wrongs. I'm not 100 percent knowing it all and not one soul on this earth does. Its chosing what they want to believe and also toooooo many want to follow that's satisfies them other than taken serious and what self responsiblilty and act upon. My faith stand strong in Christ Jesus, regard of the surroundings of events or circumstances. Bec I stand my faith on the Rock, who is Jesus Christ.