The Library of Congress is a great place to find information about historical events, including images, audio recordings and first person accounts. Use the search box at the top right. The dropdown will help you narrow your search.
These websites are a good place to start looking for Civil Rights Issues to research.
Know Your Rights - American Civil Liberties Union
Civil Rights: The Latest News from US NEws and World Report
Human Rights Watch : World Report 2023
Center for Constitutional Rights
Center for American Progress:Issues