Summary

In Chapter 42, when Dan showed Tracy what he had discovered on the video Tracy arranged a meeting with Melton. Melton watched the copy and told Tracy there was definite movement of the door. He instructed her to get the original because it was so difficult to edit an original. He explained that if they had the original, they would be able to tell if it had been edited because the watermark would be broken. As Melton watched the video again, he pointed out a shadow that indicated someone was standing behind the door.

Tracy tried to determine the best procedure for getting an unedited copy of the surveillance video. She realized that Stanley, Cho, Leah, or even the security officer might have been responsible for the editing. Even though Tracy knew the tape had been edited, it did not explain how someone got...