R | Video | | Horror, Sci-Fi, Thriller
The Cusp is a serial killer who kills his victims and then brings them back to life - over and over, until they beg to die. Psychic, Maya is an investigator who gained her powers after ... See full summary »
For safety purposes, all handcuff keys are standard. In case of emergency, if some handcuffs need to come off immediately, it wouldn't be advantageous to need to find the right key, so for that reason, every handcuff key is the right key for every pair of handcuffs. When the agent handcuffed the sheriff, the sheriff didn't check his pockets for a key, and the agent seemed confident that the sheriff was securely trapped. The scene suggests that handcuffs are like padlocks, and only the agent's key can unlock the agent's handcuffs, and that's not how handcuffs work.
During the end credits there are behind the scenes views of some of the stunts and how they were set up.