1) Louis Cataldie has had a long career as coroner of East Baton Rouge Parish and Louisiana State coroner, responsible for investigating unnatural deaths and overseeing the medical response to Hurricanes Katrina and Rita in 2005. 2) As coroner, Cataldie examines deceased bodies for evidence to determine the cause, manner, and time of death, sometimes consulting forensic scientists. 3) In his book, Cataldie recounts numerous cases from his career, including homicides, suicides, accidents, and deaths of children, while also describing his efforts to identify serial killers in Baton Rouge through forensic analysis.