What was Terry Nichols doing on the week of the bombing of the Oklahoma federal building?

Question

was he acting normal?, what did he buy?, who spoke to him during the time?

Answer 1

According to public info about the case, he drove from Kansas to Oklahoma city to pickup McVeigh a few days before the incident.

Answer 2

This is an interesting question. He might have probably made some inquiries, together with Tim McVeigh, about hiring the truck which was used to blow up that building.