Update: Wednesday, May 26 at 4:35 p.m.:
A statement released Design Metals said that Embley was removing some of the metal roof in order to expose the insulation before he fell.
When Embley's lanyard got tangled, he unhooked the safety latch. Embley apparently stepped off the roofed area and fell through the insulation.
The worker who died in an accident at the site of a new IBM technology service center in Columbia has been identified as a man from Paola, Kan.
Authorities said Larry Embley Jr. died when he fell to his death Tuesday while working at the abandoned building.
The Columbia Tribune reported Embley worked for Design Metals of Grain Valley.
Dale Dickinson, occupational safety consultant for Little Dixie Construction Co., would not discuss details of the accident.
The Occupational Safety and Health Administration will investigate the accident.
The city council voted Monday to buy the building for about $3 million to house the center.