new York city An employee did a no call no show to her job. As per company policy this means automatic termination, however we decided to give the employee a last chance and give her a final warning. During our meeting she refused to sign any documents and so we had 2 witnesses come in. We explained that she has a history of lying about these things and we will no longer accept this kind of behavior. A day later, the employee comes in and begins threatening her supervisor stating that we will pay for what we did to her and that she will make sure we lose our jobs and she will sue. She let the supervisor know that she had sued about 5 years ago and won and she will do it again. My question is does this employee have a case? We did not terminate but simply give her a final warning? Is it right for her to threaten her supervisor? What can be done in this situation