There are 2 more exorcist priests out on the web that visit podcasts, etc. I think both are very down-to-earth people who don't over sensationalize the Faith and it's doing a lot of people a lot of good. One of the guys is from NY and he said, (paraphrasing), "It's simple. When the Church, overall, is weak in the Faith, then devils have more power. And my job gets harder. When the Church is stronger, then exorcists won't have much to do."
He also said that he and other exorcists have meetings and compare notes to stay on top of trends. He noticed that the % of actual possessions is always consistent, less than 5% of the population. But in the last 5 years, he and others estimate that demonic oppression has increased by 20-25%. That means, people who are oppressed by demons because of personal sins and/or dabbling in occult. This is a huge increase. The good news is, if these people turn to religion/prayer, they would be freed. The bad news is, most do not. So this affects the weakening of the Church, related to comments above.