Dexter Lehtinen is a partner at Tew Cardenas LLP focusing his practice on representing clients in local, state and federal civil and criminal investigations with an emphasis on commercial, financial and accounting fraud investigations and litigation, including criminal investigations arising out of corporate and bank failures, securities, RICO, money laundering and customs violations. Mr. Lehtinen also handles environmental and land-use matters, having won a leading Clean Water Act case in the U.S. Supreme Court. Mr. Lehtinen is a former U.S. Attorney for the Southern District of Florida, former Organized Crime Strike Force prosecutor in Miami and former Assistant U.S. Attorney in Los Angeles. He is also a former State Senator in the Florida Senate and State Representative of the Florida House of Representatives, during which time he authored four major Florida Constitutional Amendments. He earned an M.B.A. and an M.A. from Columbia University and was a Nathan Abbott Scholar at Stanford University Law School. Lehtinen teaches Florida Constitutional Law.