People can find decisions from court cases from a variety of subscription and free sources. Often local and state governments' websites will make case information available online. To find those cases, try using Google or another search engine. Try searching for the location (city/county and state) plus court cases. For example if someone searches in google for pg county court cases the top result is Cases | Prince George's County Judicial, MD. Another option is to use Google Scholar, which can be used to search for federal and state cases and is free to the public. This page has links to free and subscription resources that can help you find information.