Computer Hacking and Unauthorized Access Laws
From the National Conference of State Legislatures, here is the complete State guidelines to computer hacking and unauthorized access. For each state, the law differs but it is definitely a worthy resource to browse if you ever wondered where your legal rights lay. Note that this says nothing about federal laws that you tamper with such as the CFAA.
Also another warning. Looks like the site is a bit dated (09/04/02)
MAKE < NCSL