M. Heiskell
L. Clifford Davis
David M. Patin, Jr.
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PracticeAreas: Criminal Law; Administrative Law. 

Admitted to State Bar of Texas in 1974. Also admitted to U.S. District Courts for the Northern, Southern, Western and Eastern Districts of Texas; U.S. Court of Appeals, Fifth and Federal Circuits; and the United States Supreme Court. 

Law School: Baylor University, J.D., 1974.
College: Baylor University, B.A., 1972. 

Heiskell represents numerous individuals at the pre-indictment level. He is able to navigate the complexities confronting those targeted by grand juryinvestigations at the federal and state levels. He is also a skilled litigator with a proven track record and a sterling reputation among his his peers andthe judiciary. 

Memberships: Member of the Board of Directors of the White Collar Crime Committee  of the National Association of Criminal Defense Lawyers; Bar Association of the Fifth Circuit Court of Appeals;National Bar Association; Texas Criminal Defense Lawyers (former President);Tarrant County Criminal Defense Lawyers (former President); National Association of Criminal Defense Lawyers; Former chairperson of the Court Advisory Committee, Northern District of Texas. 

Biography:Has been named a "Super Lawyer" in Texas since  the inception of this recognition; Pi Alpha Delta; Omicron Delta Kappa. Recipient, "Lawyer of the Year Award,"Tarrant County Black Bar Association, 1995 and 2000; Texas Criminal Defense Lawyers Association Presidential Award of Excellence 1994, 1995 & 2003.Frequent Author and Lecturer for  Texas Criminal Defense Lawyers Association, and the State Bar of Texas. Heiskell has also lectured for the Texas Center forthe Judiciary and the Tarrant County Bar Association, San Antonio Criminal Lawyers Association, Louisiana Association of Criminal Defense Lawyers and the National Association of Criminal Defense Lawyers, Topics include: "Confessions in Texas;" "Guilty Pleas;" "Cross-Examination of Experts in Federal Fraud Investigations;" "Grand Jury Practice in Federal Courts;" "Opening Statements"; "Fundamentals of FederalRepresentation"; "Effective Federal Pretrial Motions;""Litigating Multi-Defendant Cases;" "Handling the NarcoticsCase;" "Capital Murder Jury Selection;" "Jury Selection inNarcotics Cases;" "Handling Narcotics Cases and the Informant;""Cross-Examination;" "Handling High Profile Cases;""Ethics;" "Defending Environmental Crimes Investigations".Former Course Director, "Advanced Criminal Law Short Course," TexasCriminal Defense Lawyers Association. Course Director, "Advanced FederalLaw Short Course," Texas Criminal Defense Lawyers Association, 2002, Rusty Duncan Advanced Criminal Law Course Director on three separate occasions, 2011 Course Director for the State Bar of Texas Advanced Criminal Law Course. Former Assistant District Attorney, Galveston County, Texas, 1975-1980; FormerAssistant United States Attorney, 1980-1984.