text:  a heavy background in doing sort of ghost hunting, although he actually worked for the group that worked in that building. He brought in a lot of equipment and some colleagues of his, and they staked the place out overnight. They put cameras, infrared cameras in certain spots. They had microphones in various parts of the building. They kept a vigilance throughout the night, and they recorded some noises that they couldn't quite make out. At one point they had a voice that they were trying to decipher that was in the very room where the light had sprung down.