"American Sniper"

https://en.wikipedia.org/wiki/American_Sniper

Spoiler alert.

Story of,

Distance between Trigger and Target (mile or more?),
Distance between Assumption and Judgement (for shooting),
Distance between Life and Death,

Distance between Father and Son,
Distance between Friend and Enemy,
Distance between Patriotism and Familism,
Distance between Pax Americana and Anti-Globalism,
Distance between Love and Hate,
Distance between Hope and Fear,
Distance between shooter and shooter,
Distance between Hero and Veteran,

All distance as less than a second! And Sniper stands for all these!