For decades, the intelligence traded between US agencies and foreign governments regarding the murder of John F. Kennedy stayed hidden, leaving only sanitized working copies for the public.
Congress ordered the files open in 1992 to restore public trust, but the records of one senior analyst show a path paved with managed relationships and a glaring void in the military record.
Records from the terminal phase of the JFK Review Board show how a corporate lawyer oversaw the final handover of secrets that remained blacked out for decades.
Families of the fallen waited 30 years for answers while CIA architects Richard Helms and William Colby scrubbed records and hid files to maintain plausible deniability.
CIA records were shielded from view for decades, but working papers from a chief analyst show where contradictions were spotted and gaps measured in the agency's official narratives.
Hidden JFK records became a legal battleground as the ARRB used subpoenas to coerce Secret Service compliance and probe CIA contradictions in Mexico City.
Operation SOLO and the movements of Lee Harvey Oswald remained central to a struggle between investigators and the federal government to control the official record.
KGB officer Yuri Nosenko was detained for three years as a suspected plant before his investigative files were linked to the murder of President John F. Kennedy.
Public access remained shielded through closed meetings and partitioned records as the CIA fought to control the laws governing its power after the JFK assassination.
Lee Harvey Oswald was tracked by an internal security apparatus that filtered what could be released in full while linking the assassination to a Soviet defector.