Dark Night of the Scarecrow (1981)
Bubba, an intellectually disabled man, is falsely accused of attacking a young girl. Disguised as a scarecrow, he hides in a cornfield, only to be hunted down and shot by four vigilante men. After they are acquitted due to lack of evidence, the men find themselves being stalked one by one. mentally disabled, grave, scarecrow, cover-up, revenge, execution, dog, farmer, pitchfork, mentally handicapped man, lynch mob, killer scarecrow