A top-secret government file, only to be viewed in the event of the President's death by assassination, gives specific instructions on what should be done, and presents dossiers on the three most likely suspects.
1996
2001
1992
2016
2004
1980
1988
1966
1989
1967
1947
2012
1990
2017
1979
2020
2011
2018
2007