he ran a muffler shop in the town of grandby. and knew him just as a businessman. >> the motive is becoming clear, heemeyer's been harboring deep-seeded grudges against some prominent town members. this is his revenge. >> marvin was upset because a showman by the name of cody wanted to open a concrete batch plant adjacent to his muffler shop. mr. heemeyer felt this was not good for his property values and objected very strongly to the special use permit and the abonese in which the town went about proving this batch point. >> the plant is the main source of his anger, but heemeyer's also unhappy with the town council members for approving the plant's construction. his next target? is the grandby town hall. >> he began systematically from work failing a clockwise fashion going around that building and basically taking it down. >> and the building houses more than civil servants. >> oh, no, don't go for the library. >> we had evacuated approximately 12 elementary schoolchildren from the library which was in the town hall. >> but he

. >> mad man in grandby. >> the rural sheriff's department is ill-equipped to handle such an attach so trainor calls for backup. >> we made the notification to ask for a larger tactical team and agencies to respond from the denver metropolitan area. and the jefferson county