Some of the best places to find information about your case are news outlets and law schools (look for .edu as your web extension). If you come across a website you are not familiar with, use the SIFT method to verify it is a valid source.
Stop - Investigate the source - Find better coverage - Trace claims
As you search, you can adjust your search terms to find more specific information about the case. For example, you could add the word WITNESS to your search with the case name.