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Jefferson Keenan

  • Criminal Law
  • Arizona
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Jefferson Keenan received his undergraduate degree in philosophy and his law degree from the University of Arizona (summa cum laude). Mr. Keenan was an Articles Editor of the Arizona Law Review. In addition, Mr. Keenan was elected Phi Beta Kappa and Order of the Coif. He is a recipient of the University Scholarship Award and the Charles E. Ares Fellowship. Mr. Keenan served as clerk to Vice Chief Justice Stanley G. Feldman of the Arizona Supreme Court. His publications include: "Non-Evidentiary Use of Compelled Testimony and the Increased Likelihood of Conviction," 32 Arizona Law Review 173 (1990); "Entrapment Targets and Tactics: Jacobson v. United States," 29 Criminal Law Bulletin 241 (1993); "Dual Sovereigns, Successive Prosecutions, and Politically Correct Verdicts," 31Criminal Law Bulletin 291 (1995); “Impeaching A Cooperating Witness,” The Federal Lawyer, (November-December, 2002). Mr. Keenan serves as the legal research, motion and appellate coordinator for the criminal defense section. He is admitted to practice before the United States Supreme Court, Ninth Circuit Court of Appeals, United States District Court for the District of Arizona and all Arizona state courts. Mr. Keenan is a member of the Appellate Practice Section of the State Bar of Arizona, the National Association of Criminal Defense Lawyers and Arizona Attorneys for Criminal Justice. He is an AV rated lawyer by Martindale-Hubbell and has been selected by peer review to be listed in the Best Lawyers in America.

Practice Area
Criminal Law
Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
Jurisdictions Admitted to Practice
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  • English: Spoken, Written
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Professional Associations
Arizona State Bar
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Websites & Blogs
Piccarreta Davis PC
Contact & Map
145 S 6th Ave
Tucson, AZ 85701
Telephone: (520) 622-6900
Fax: (520) 622-0521
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