Former U.S. Secret Service Agent Gerald Blaine has spent his life thinking about security.In his book "The Kennedy Detail" co-authored with journalist Lisa McCubbin, Blaine chronicles his time protecting former President John F. Kennedy up until the assassination in Dallas.It also looks at how the shooting was traumatic for Blaine's fellow agents and how each dealt with the president's death differently.The book has been the subject of 2011 documentary and is set to be a feature film to be filmed in New Orleans.Producers talked about why the project is in many ways—like the book—a rebuttal to Oliver Stone's infamous 'JFK'.Watch:For Noise and Notes, Blaine sat down to discuss what it's like to protect a U.S. President, how the agency changed after the assassination, and the American public gravitated towards conspiracy theories in the decades after.