Does the ending reference Bogart's "The Petrified Forest" ?
It has a hostage situation, too:
http://www.imdb.com/title/tt0028096/
This writer saw a connection:
http://www.slantmagazine.com/film/review/dog-eat-dog-2016
Somebody else wrote, that it references a Japanese crime movie...
Or both?
Does anybody know for sure ?