Possible Clues:

• Org. fighting for rights
• Rights protection org
• Rights-defending grp.
• ___ v. Ashcroft (2004 privacy case)
• USA Patriot Act opponent
• L.G.B.T. rights advocate
• First Amendment defender, for short
• "... card-carrying member of the ___"
• Rights watchdog grp.
• 'Because freedom can't protect itself' is its motto