"I've really lost count by this point," Ray says. "Hundreds, at least. Probably more like thousands."

"During times of heightened spectral activity, due to say, the lead up to an ancient Babylonian god bent on causing the end of the world arriving in New York, we end up working flat out and can catch several dozen in a week or two," Ray says. One might be surprised by how casually he comments on such a thing. "But normally it's anywhere from one to three actual ghosts in a week, plus a few false alarms. Like this one lady thought she had a demon in her walls, but it was really just a stray cat that had gotten stuck in her chimney."