Tread (film)

Tread is a 2019 American documentary film directed by Paul Solet. It premiered at the South by Southwest film festival in March 2019, and to limited theatres and on Netflix on February 28, 2020.

Synopsis
American welder Marvin Heemeyer goes on a violent rampage with a secretly fortified bulldozer made up of steel, concrete, and guns after feuding with members of the small town of Granby, Colorado.

Reception
The film was positively reviewed and has approval rating, based on  reviews on Rotten Tomatoes.