Sling Blade

A 1996 drama directed, written and starring Billy Bob Thornton, based on a short film called "Some Folks Call It a Sling Blade," in which he also starred.

The story's about a mentally challenged man named Karl Childers who, around the age of 12, butchered his mother and her lover with the titular sling blade, because he had always learned from his parents that having sex was wrong (a detail shown in the script and seen in the short film. He was put up in a state mental hospital in Arkansas; our observation of Karl begins 25 years later, when he's about to be released.

Tropes used in Sling Blade include:

• Adult Child: Karl, perhaps, by a combination of his mental slowness, his sheltered and backwards upbringing, and his incarceration.
  • Frank, his father, has some elements of this, probably from going senile; he mutters to himself and claims not to know Karl or what he's talking about, but this latter may be due to his being a Jerkass.
• All Love Is Unrequited: Poor Frank; Karen Cross (only shown in the extended version) just shot him right down. Gender-flipped and somewhat averted with Karl and his would-be girlfriend, Melinda: Karl: "Flowers is purty." Of course it doesn't go anywhere because shortly afterwards, the rest of the story happens...
• Absurdly Sharp Blade: Averted. The lawnmower blade is easily stopped by Doyle's skull.
• Abusive Parents: One, being Frank's adoptive father, Doyle. Also, Karl's own father, also (unfortunately) named Frank, who expected Karl to throw out his premature younger brother like he were trash.
• All There in the Manual: Many details about Karl's upbringing are only in Thornton's short, which only covers the initial interview.
• Berserk Button: Don't push around Frankie's mama in front of him, if you don't want everything within his reach thrown at you. Even Linda seemed shocked by the sudden ferocity in her son.
• Bittersweet Ending: Sure, the horribly abusive monster is out of our protagonists' lives for good, but Karl is, again, locked up in the state hospital. At least he can now stand up for himself against the pervert Charles Bushman.
• Bookworm: Karl. He's got a whole bunch of books he carries with him bound by a leather strap; one The Bible, one a book on carpentry, one A Christmas Carol...
• Captain Obvious: Frankie borrows one of Karl's books, A Christmas Carol; Karl: "That's that book on Christmas I was tellin' you about."
• Chekhov's Gun: Books, all of which he gives to Frank before he leaves. A Christmas Carol has a carefully lettered bookmark in it reading "You Will Be Happy," eliciting an Oh Crap moment from Frank as he realizes that Karl knows the only way Frank can be truly happy is if Doyle is dead.
• Chekhov's Skill: He's really good with machinery, especially lawnmowers and other things with blades....
• Children Are Innocent: Averted with Frank. You wish it weren't that way, but Doyle has made it so.
• Cloudcuckoolander: Karl. He likes them French-fried potaters, and the way Frank talks. Also, Morris of Doyle's band and his very weird song.
• Comically Missing the Point: A very dark example here: Charles mistakes Karl's grunts and headshakes as amusement at his perverted stories. Fortunately, Karl is able to set him straight by the end.
• Drop the Hammer: Karl sure does want to, right on Doyle's head, but he had horrible timing. He changed his pre-emptive strike into the BLAM mentioned in YMMV.
• Enforced Method Acting: Minor but humorous: Lucas Black didn't know Karl was going to ad-lib a certain line about potted meat, and genuinely laughed as a result; the effect was still good.
• Face Palm: When everyone's all together for dinner, Melinda related how she heard about how Vaughan and Albert are a couple; Albert seems a bit amused, but Vaughan's quite embarrassed; fortunately, Linda suggests that Karl and Melinda go out for a walk at that moment; Irony considering she admonished Vaughan for not being too pushy when he suggested that same thing.
• Friend to All Children: Karl, natch. Of course Frank comes to love him, and the feeling is mutual. Frank's friends also don't really seem to mind him when they finally play football together.
• He Really Can Act: Billy Bob Thornton is so known for playing Jerks and Sleazes that seeing Him as the gentle but unstable Karl is something of a shock.
  • Also, country singer Dwight Yoakam is surprisingly damn frightening as Doyle.
• Hope Spot: Near the end of the movie: about three or four minutes are spent with no dialog, simply Karl walking around contemplating the situation: he knows if he goes through with it, he'll at the very least be put in jail, but standing at Doyle's house he decides it's in Frank and Linda's best interest. The extended version draws this out by about a minute, to very tense effect.
• Inspirationally Disadvantaged: Very much averted. The film frequently shows how Karl not only lacks basic social skills but is almost incapable of caring for himself. He also never displays any Rain Man type abilities aside from being an excellent mechanic. Some characters, such as Vaughn, seem to view him as deep and wise, likely to lampshade this trope.
• Jerkass: No doubt, Doyle Hargraves himself. His Crowning Moment of Jerkass mixed with (only one of) his personal Moral Event Horizons is when he brutally ejects his band from his house and threatens Linda and Frank.
  • Even during his Pet the Dog moment where he speaks calmly to his family and Karl, he fails to see that psychological damage is real: "I didn't hit you, did I, Karl? So no apology necessary, I guess." By the way, that's the scene where Doyle discusses moving in with Linda and Frankie for good.
    • Wouldn't be too much of a stretch to call Karl's father one, though his actions before the story are more severe than those of a standard Jerkass.
• "Just Joking" Justification: Seems to be a favorite of Doyle's, to try to make himself seem less of a Jerkass. It doesn't work.
• Kick the Dog: Doyle shoves Terrence, his wheelchair-bound bandmate, against the door of his house while kicking them all out.
• Mama Bear: Linda. Unfortunately, Doyle's sheer meanness and stubbornness prevents her protectiveness from working very well.
• Meaningful Echo: "Karl?" All four times spoken by characters seeing him for the last time. The fourth, chillingly so.
• Moral Dissonance: Invoked for the audience, as it is for many films like this. Karl's killing of Doyle is indeed illegal and will get him sent to jail (or back to the state hospital as it turns out). For the safety and security of his new-found loved ones, it is not immoral, and indeed we cheer for Karl at this act.
• Orbital Shot: Thornton thought that a half-circle version of this would be a pretty effect, and it's a good establishment for the beginning of the 5+ minute tension building to the climax.
• Pet the Dog: Doyle actually seems capable of a facade of sweetness from time to time. Too bad he can't hold it too long.
• Police Are Useless: (in the extended version) Because they're Doyle's friends and are a bit lax towards him regarding drinking and driving.
• Rant-Inducing Slight: Doyle sure is a mean drunk, and he likes things quiet when he's "hurtin'". When his band talks about the technicalities of being a band a bit TOO much...
• Shut UP, Hannibal: Perhaps a more minor example, as Charles was not really a major villain, but Karl lays into him good at the end when he talks pervertedly about his friendship with Frank.
• Invisible to Gaydar: Vaughan, played by the late John Ritter, who once played a man acting like he was gay. Averted with Albert Sellers, who despite having only a couple of lines, surely shows his personality.
• Verbal Tic: Karl's guttural tone, and his use of "Mmm-hmm."
• What the Hell, Hero?: Frankie's criticism of Karl for burying his barely-alive premature brother takes on this tone, despite Karl's being much too young (and mentally challenged to boot) to understand about caring for a child.
• Wife-Basher Basher: How Karl responds to Doyle who is brutalizing Linda and her son Frank.
• Woobie, Destroyer of Worlds: In a decidedly more metaphorical sense than the common usage, Karl. We do have a great deal of sympathy for him, for his naivete and his just seeming lost in the huge world (near the beginning, he even goes back to the asylum and requests to stay there, because he has no idea how to be a free man), but he still exerts a large amount of influence on those he meets. Linda, Frank and Vaughan are changed positively for their experience with him (they get a new appreciation for people who are a little different), while Doyle's life is cut short simply because he refuses to change, and Karl's protector instinct kicks in (for an example of this, see the CMOA above).
• Your Cheating Heart: Apparently the reason for Karl's acts (his mom cheating on his dad, that is) which landed him in the state hospital, but as mentioned in the description, a bit more detail is given in the script and short film.