Also, how is it determined that the downloaded file is actually the copyrighted content in question? And, how is it determined the infringer has downloaded eno

Also, how is it determined that the downloaded file is actually the copyrighted content in question? And, how is it determined the infringer has downloaded enough of the file to infringe? Due process still exists. Also, depending on your state, you can file suit against the law firm for defamation.