Listening To Your Story. Fighting For Your Innocence.J. W. Carney, Jr. and Associates is headed by one of the most successful and renowned criminal defense attorneys in Massachusetts — if not the country. Jay's work has been highly praised by others in the criminal justice system, including fellow defense lawyers, prosecutors, judges and especially his clients.You benefit from the experience, knowledge and passion of our entire legal team when working with our firm. Each lawyer is highly skilled in criminal defense. We work together, drawing upon our extensive experience to develop cutting-edge legal strategies. It is this combination of knowing what has succeeded for our clients in the past, with an openness to embrace new approaches, that gets consistently outstanding results.