Do the new files solve the JFK debate? It is more than 60 years since the US president was shot in Texas. Yet speculation about the killing has become only more intense with time.
One assassination. A thousand theories
Secrets: Donald Trump has begun releasing classified files on the 1963 assassination of President John F Kennedy (pictured above just before he was shot dead) making thousands of records available to the public for the first time. Glossary
Dallas - A major city in the American state of Texas.
Lee Harvey Oswald - The US Marine veteran who assassinated John F Kennedy.
Marxism - The left-wing political, economic and philosophical ideas of Karl Marx.
CIA - The Central Intelligence Agency is a US government organisation that collects secret information about other countries.
Communist Bloc - An unofficial group of communist states of Central and Eastern Europe, Asia, Africa, and Latin America that were all aligned with the Soviet Union.
Mafia - An organised international body of criminals, operating originally in Sicily and now especially in Italy and the US.
Anodyne - Bland and inoffensive.
Redacted - To obscure or remove (text) from a document prior to publication or release.