Dr. Robert J. Sullivan is a thirty-year veteran of policing in Central Florida spending the majority of that time as a detective, detective sergeant, and finally retiring as captain of detectives. He has worked homicide investigations from an undercover perspective wherein he has sought leads through covert means. He has served as a traditional homicide investigator seeking physical, circumstantial, and oral evidence, and he also worked as a forensic detective with expert experience in blood spatter and fingerprint sciences. Dr. Sullivan also served as the director of forensics at his agency. Upon retirement, Dr. Sullivan joined the faculty at Saint Leo University, Saint Leo, FL, as a professor of criminal justice. In addition to the multiple investigative courses taught, Dr. Sullivan teaches the cold case homicide course wherein students review an actual cold case provided to them from area law enforcement agencies.