On the Case with Paula Zahn - Season 7 Episode 14 Signed in Blood
In order to solve the vicious double murder of a beloved couple, police must uncover a cold blooded killer’s carefully calculated plot
- Genre: Crime, Documentary
- Studio: Investigation Discovery
- Keyword: journalist, homicide, interview, investigation, murder, murderer, killer, true crime, missing person, crime investigation, convicted murderer
- Cast: Paula Zahn