It is said that they entered the offices without permission, handcuffed and chained themselves to the desks and attached themselves to each other with a plasticpipe.
Neighbor Michael Creel said Dykes put the plasticpipe underground from the bunker to the end of his driveway so he could hear if anyone drove up to his gate.
For days, officers communicated with Dykes through a plasticpipe that rose up from the bunker, which was similar to a tornado shelter and apparently had running water, heat and cable television.
Negotiations are being carried out between the suspect and authorities through a 60-foot plastic ventilation pipe that leads from the bunker, authorities said.
If Nibco would share with Dow more details about its business, Dow would in essence manage the supply of resin pellets Nibco buys to make plastic to inject into pipe fittings.