Law clerk Arkansas Supreme Court, Little Rock, 1974. Deputy prosecuting attorney Office Prospective Attorney, 1973-1979, head career criminal division, 1978-1979. Private practice attorney, since 1974.
Instructor trial advocacy Arkansas Prospective Attorneys Association, 1977-1979. Adjunct professor School Law, Graduate School Criminal Justice, University Arkansas, Little Rock, 1985-1988, 91. Member Arkansas advisory committee United States Commission Civil Rights, 2003-2004.
War crimes trial Special Court Sierra Leone, 2004-2006. Speaker to lawyer and police groups.
- Bar: Arkansas 1973, United States District Court (eastern and western districts Arkansas) 1973, United States Court Appeals (8th circuit) 1973, District of Columbia 1975, United States Court Appeals (5th circuit) 1976, United States Supreme Court 1976, United States Court Federal Claims, 1984, Tennessee 1988, United States Court Appeals (federal circuit) 1988, United States Court Appeals (6th circuit) 1991, Nevada 1993, United States Court Appeals (9th circuit) 1995, New York 1996, United States District Court (southern district New York ), 1999, United States Court Appeals (2nd circuit) 1999, United States District Court (district Nevada) 2000, United States District Court (eastern district) Texas 2004, United States District Court (middle district) Tennessee 2005.
- Officer's Search and Seizure Handbook, Third Edition with CD-ROM
- Book by John A.
Author: Search and Seizure, 3rd edition, 2000, Professional Responsibility in Criminal Defense Practice, 3rd edition 2005, Trial Handbook for Arkansas Lawyers, 5th edition, 2007. Editor, author: Arkansas Prosecutor's Trial Manual, 1976-1977, Arkansas Extradition Manual, 1978. Editor: (with B. Scheck and P. Neufield) DNA: Understanding, Controlling, and Depleting the New Evidence of the 90's, 1990.
Contributor articles to law journals.
Fellow American Board Criminal Lawyers. Member National Association Criminal Defense Lawyers (life, board directors 1989-1995, 97-2003, officer since 2003, member ethics advisory committee 1990-2005, lawyer's assistance strike force 1994-1997, executive committee 2000-2001, 03-, Robert C. Heeney Memorial award 2002), Arkansas Bar Association (house delegations 1976-1979), Arkansas Association Criminal Defense Lawyers (president 1987-1989, Champion of Justice award 2003), New York State Association Criminal Defense Lawyers, First Amendment Lawyers Association, International Criminal Bar, International Criminal Defense Attorneys Association.