Criminal Defense Law Firm in West Chester. Criminal procedure is one of the most complex areas of American law. If you have been arrested, you need to speak to an experienced criminal defense attorney as soon as possible. Everything you say to the police or prosecutors will be used against you. To protect your Constitutional rights contact the West Chester Pennsylvania Law Offices of Heather J. Mattes today. Ms Mattes has over 25 years of experience with criminal law and procedure. Her practice includes defense in a number of criminal matters, including:DUI/Drunk Driving, White Collar Crime, Domestic Assault Charges, Violent Crime/Homicide and Drug Offense. Attorney Heather J. Mattes' experience in the Chester County Public Defenders office and as a prosecutor in the Delaware County District Attorney's office gives her a direct understanding of how the district attorney's office works, the ways charging decisions are made , which charges will be prosecuted, and which sentences will be sought. DUI laws have grown more stringent. Heather J Mattes is an experienced Philadelphia DUI attorney who understands how best to defend the charged leveled against you. She knows breathalyzers become mis-calibrated, and traffic stops occur without sufficient cause. She knows how to question the police and exploit the weak spots in their case. No matter what the charge, Heather J Mattes will construct a defense that protects your rights and brings about the best possible outcome for the facts of your situation. To contact an informed and effective West Chester Pennsylvania, criminal defense lawyer, call Heather J. Mattes