‘Tread’: Why Did This Man Bulldoze His Hometown?

On June 4, 2004, Marvin Heemeyer went on a vengeful rampage with an armored bulldozer through the small Colorado town of Granby. He was on a mission to destroy the very town he lived in; and now, the documentary “Tread” reveals the motive behind his destruction. “Tread” director Paul Solet tells All Access all about the true-crime tale. “Tread” is available now on iTunes, Amazon, FandangoNOW and Video on Demand.