Rosenthal Kalabus & Therrian is a criminal defense law firm located in McKinney which serves Collin, Dallas, Denton, and Grayson Counties. We handle all types of criminal defense cases including DWI, drug charges, gun charges, assault charges, and more. Criminal charges are one of the most serious legal issues that you could face. Every person has the right to the best defense to protect their rights. We can help you defend your rights.