About Mark D'Antonio
Mark D'Antonio was born and raised in Brooklyn, New York. He moved to Maryland in the latter years of high school, where he graduated before serving in the United States Air Force. Mark then went for his undergrad at the University of Maryland, Baltimore County, before completing Law School at the University of Maryland. Mark then applied to the FBI, where he worked before taking his legal talents to the United States Department of Justice. The U.S. DOJ brought him to Las Cruces, New Mexico, where he was then elected to be the District Attorney of Doña Ana County twice. After seeing a need for defensive representation in Southern New Mexico, Mark jouned the Federal Criminal Justice Act Panel of lawyers and started his own practice, Mark D'Antonio law.
Mark lives with his loving wife and son in and is proud to have served the Las Cruces community for over 25 years.
Career
Assistant Attorney General, The Office of the Attorney General of New Mexico
Trial Attorney: Medicaid fraud investigations and prosecutions
January 2021 – July 2023
January 2013 - January 2021
District Attorney, Third Judicial District of New Mexico
Elected in January 2013/reelected in January 2017
Chief Law Enforcement Officer of Dona Ana County
Chief Criminal Prosecutor
Managed a staff of 70 and a budget of $23 million
October 2008 - December 2012
Litigator and Business Owner, The D’Antonio Law Office, P.C., Las Cruces, NM Practiced federal and state criminal defense and family Law Member of the Federal Criminal Justice Act Panel
November 1990 - October 2008
Assistant United States Attorney (Criminal Division), District of New Mexico (Federal Prosecutor)
Lead attorney in numerous trials
Conducted major case investigations
Managed Federal Joint Terrorism Task Force investigations
Appeared before the Tenth Circuit Court of Appeals
Published opinion U.S. v. Hudson, 210 F.3d 1184 (10th Cir. 2000)
Attorney/Advisor, Dept. of Justice, (D.C.) (Office of Intelligence and Policy Review)
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Advised U.S. Attorney General on matters involving CIA covert operations
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Liaison to FBI, NSA, CIA, and military intelligence agencies
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Appeared before the Foreign Intelligence Surveillance Court
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Managed legal aspects of counterintelligence and anti-terrorism investigations
November 1990 - October 2008
Special Agent, Federal Bureau of Investigation (D.C.)
Conducted criminal and foreign counterintelligence investigations
Conducted undercover operations
Advisor to local and military law enforcement
November 1990 - October 2008
Military Instructor (E-5), 3281st School Squadron, Lackland Air Force Base, TX
Provided instruction on police tactics and military Justice
Education
June 1987
Juris Doctor, University of Maryland School of Law
Bachelor of Arts, Political Science and Economics (Honors)
University of Maryland (Baltimore Campus)
June 1984
Part-time instructor – University of Phoenix Criminal and Constitutional Law Frequent Substitute Instructor – New Mexico State University Criminal law