Dan concludes his three-parter detailing the mundane-turned-insane revenge story of Marvin Heeymeyer.
Sources
Damn Interesting Writeup
https://www.damninteresting.com/the-wrath-of-the-killdozer/
Denver Post 14 year followup
Contemporary sources
https://web.archive.org/web/20070311112300/http://www.cozine.com/archive/cc2004/01250121.html
https://web.archive.org/web/20070220134042/http://umdstudents.com/viewtopic.php?t=6125
http://archives.durangotelegraph.com/04-06-24/mountain_exchange.htm
http://www.tabpi.org/2006/fpas.pdf
https://web.archive.org/web/20070311015838/http://www.spokesmanreview.com/tools/story_pf.asp?ID=9810
Details on the machine
http://www.tanks-encyclopedia.com/marvin-heemeyers-armored-bulldozer/
Specifics of the Land Deal