The Union of Struggle - A History of the Prisoner's Life

In his novel, the moon is a harsh mistress, heinlin recommends making friends with a sentient and basically omniscient super computer who will be able to identify police spies. In these early days, especially, len intended to err on the side of being too trusting. Because they trusted this dentist, everyone wound up arrested before they got a chance to do much of anything in 18 95.