The Kill Reflex also known as Soda Cracker is a 1989 American action-crime film directed by and starring Fred Williamson.

The movie was written by Jaron Summers based on his own novel and was released in the United States on June 1, 1989.

Soda Cracker, a veteran cop, must unveil the mysterious murder of his former partner while he fights against the mafia and corrupt policemen.

SteveQ from the blog "Down Among the Z Movies" called "The Kill Reflex", Williamson's worst movie and wrote: "Fred Williamson has been in a number of entertaining blaxploitation films, but this one, which he also directed, is a mess.

"[1] In the website "Bulletproof Action", the reviewer stated: "Soda Cracker is not going to win any sort of groundbreaking trailblazer awards.