hitting the clubs. now, police had to consider whether christie told dagger that she wanted to break up. if so, had he taken it badly? was that on christy's mind in the morning she was murdered? or, had christy angered someone else from that saturday night? police wanted to know more. >> where did you eat? where did you go dancing? where did you go after that? who was there? >> then, something bizarre, the day after casey's murder, a man walked into her school, he clearly didn't belong there. >> i approached him, and said, can i help you? >> bob will dyson, assistant school superintendent. >> he said, i'm just here to see christy mirack. >> i said, well, unfortunately, you have to leave. as christy has passed. >> the mysterious visitors said he hadn't heard the news. he claimed it was christy's