It ain't the truth. He shot himself with a shotgun on purpose.
7 seconds sound clip from the Sling Blade (1996) movie soundboard.
You can hear this line at 00:45:06 in the Blu-ray version of the movie.
Quote context
[...]
- People who are queer get along better in a big town.
- I wish he liked to go with women.
- I'd rather him be Momma's boyfriend than Doyle.
- Karl, you know when I told you Daddy got hit by a train?
- It ain't the truth. He shot himself with a shotgun on purpose.
- How come he would do that, reckon?
- 'Cause he didn't have enough money to take care of us the way he wanted to.
- That's what the letter said.
- He got laid off at work and started working odd jobs.
- I thought he took care of us just fine.
[...]