Your attorney owes you a very high duty under the law, referred to as a fiduciary duty. If your lawyer in any way breaches his legal duty to you, he can be subject to professional discipline. You may also be able to file a civil suit for professional malpractice on the basis of his behavior. Mishandling funds is a clear breach of the duty that he owes to you. Such an action is forbidden by the Rules of Professional Responsibility that govern lawyers. Your attorney can be responsible for any monetary damages you incurred as a result of his carelessness or intentional misuse of funds.
Legal Malpractice
Legal malpractice is a civil suit governed under tort law. There are several required elements to your case that you will need to prove if you want to hold your lawyer liable for professional malpractice:
Getting Help
A legal malpractice suit is not something you want to handle on your own. You will need a lawyer who specializes in professional malpractice so you can make sure that you recover the full extent of the damages you deserve as a result of your lawyer's betrayal.