Blind Horizon

A 2003 film starring Val Kilmer, Sam Shepard, Neve Campbell and Faye Dunaway similar to The Bourne Series, with a man who wakes up in the desert suffering from a gunshot wound to the head and no idea of who he is. Somehow though he knows of a conspiracy to assassinate the US President in a small New Mexican town.

Amnesiac Dissonance: "Frank", the main character, tries to warn people about a plot against the President which he knows of.

Cassandra Truth: The Secret Service puts a man on hold who is reporting a threat to the President? (Turns out they were tracing his call, but they still don't believe him, with his addled state). Also, the doctor speculates "Frank" is making it up from something he read or saw, given his amnesia.

Flash Back: Recurring and frequent ones for the main character, giving clues to his past.

Twist Ending:.

Xanatos Gambit:.

Who Shot JFK: The plot has allusions to conspiracy theories surrounding it. Frank rendezvouses with the other hitman in a movie theatre, which some theorists believed was why Oswald went to one; there are three hitmen to provide "triangulation of crossfire" as one theory has it, etc.