. >> paranormal investigator joe nichol has a different theory. >> the least likely possibility is that it's a ghost. the idea of a ghost is a lovely one, very romantic, but not credible. but illusions with films of things that could look like ghosts are usually hoaxes or anomalies that just happen. >> over the next ten years, psychics, camera crews, and professional debunkers analyze the video. none have been able to definitively explain the image. >> i believe that it's not a hoax, doesn't have the warning signs and earmarks of a hoax, not easy to reproduce as a hoax. but it looks just like what happens when various kinds of insects get attracted to a security camera. and i think it's the simplest explanation. >> one set of researchers came in. they brought a little martian doll and put in on a string or stick and waved it in front of the camera. one crew came in and thought it could be a electronic bleedover from some sort of an electronic outside source. but if it was the system at fault, why not one of the other seven cameras? i had a hard time believing that, especially that night