The term "criminal law" refers to the laws, statutes, and rules that define acts and behaviors as crimes and establish penalties for each type of crime. Criminal acts are generally those that the government considers to threaten public welfare or safety, the severity of which classifies various crimes as misdemeanors or felonies. Send a case closure letter when you terminate an attorney-client relationship on a matter, that is: when you have concluded a case or when you have decided to cease representing the client. Be succinct. Your letter should be easy to read and concise. Avoid unnecessarily complex language and focus on clarity. Be Consistent: Introduction. If you're on a waitlist for your top-choice law school, you're probably feeling disappointed. Applying to law school is an intimidating process, and waiting to hear back from schools can be exhausting. And if you're feeling disappointed because you weren't accepted right away, you're not alone.