A: Assuming that the case was litigated in district court, an appeal could be taken to the circuit court within 30 days. However, it is not clear from the question if the time to file an appeal from the original judgment (as opposed to the decision in the contempt/show cause hearing) has passed. Separately, a cause of action might be available for the alleged murder attempt, depending on what the facts and circumstances are. That would of course also potentially be a criminal matter.
A: Certainly retaliation against an employee because of protected complaints that the employee makes in good faith is a violation of federal and Maryland laws. But every case and situation is different. You should discuss all the facts and circumstances with an attorney who practices employment law.