Originally Posted by gideongallery

of course you make a mistake, target something you licienced even accidentally, or is legitimate because of fair use, and you are legally liable for damages.

too many people are stupid about the DMCA stuff.
you better be 100% certain that there is no fair use right to the content or that you have not accidentally licienced the content in the past.
otherwise you will find yourself with a very hefty legal bill.