emerged. and it was someone police had met before. could her killer have been stopped sooner? here's andrea canning with the final chapter of "the face of evil." >> it was two nights after the murder and fire. detective capps made a discovery, one that would finally connect the dots in this series of crimes that had terrorized this college town. >> i spent that evening basically reading through all these reports. >> the detective ordered background checks on some of the people who attended the party in carolyn's apartment complex, including ynobe matthews. it turns out there were several police reports in the file accusing ynobe of a number of crimes. >> mr. matthews had a tendency to try to sexual assault females, and in the process of that, he would choke them if they were not willing to have sex. >> how did carolyn die? ynobe had never been convicted of sexual assault, but in the files, he read the account of