Hollywood, California, August 2005.The double murder of a Beverly Hills plastic surgeon and his fiancee leaves LAPD homicide detectives baffled. Assigned to assist in the investigation, FBI Special Agent Haley Murch has a theory- were the slayings a copycat of the 1969 Manson murders or were they the work of somebody else altogether, someone elusive? For the past six years, she had researched the exploits of a notorious serial killer the media had...