DEF CON I Tapes (4 90 minute tapes) include the following speakers:

Curtis Karnow: Legal Implications of failure in complex VR systems.
Ray Kaplan: To Hack or not to Hack, that is not the question.
Gail Thackeray: Search and seizure, the roll of "computer cops," and Q&A
Dead Addict: The future of hacking.
Dark Druid (Busted by Gail Thackeray): Getting raided sucks.
Judi Clark of the CPSR: What you can do the become active in the community.
Dan Farmer: Inherient security problems in networks,and a bit on SATAN.
Dr. Mark Ludwig: Let virii live.