Finding a law or case can depend on knowing the jurisdiction of the court. In most cases these jurisdictions fall under three categories: federal, state and local.
Links to these three different courts can be found below.
Knowing which Jurisdiction can help in searching the right databases and navigating to the right webpages. The Library of Congress has an excellent Legal Research Guide that is divided by jurisdictions. Check it out by clicking the link below.
Other useful information to gather before you search: