(CNN) -- A gunman who went on a rampage with a homemade armored bulldozer, demolishing buildings in the small town of Granby, Colorado, has died, apparently after shooting himself, according to a ...

When Marvin Heemeyer of Granby, Colorado, reached a dead-end in ... outfitted his Komatsu D355A bulldozer with armored plates, a layer of concrete, and bulletproof plastic, and drove it through ...

A vigilante destroyed 13 buildings in a small Colorado town with his ... city by modifying a Komatsu D355A bulldozer to ...