Rosenthal Kalabus & Therrian is a criminal defense law firm located in McKinney which serves all of Collin County. We handle all types of criminal defense cases including DWI, drug charges, gun charges, assault charges and more. Criminal charges are the most serious legal issues you can face. Everyone is entitled to the best defense available to protect their rights. We are the largest Criminal Defense law firm in Collin County and the only law firm in the county with two Criminal Law Board Certified partners. Contact us today so we can defend your rights.