Criminal Defense Attorney Jarrett Ambeau
Criminal Defense Attorney Jarrett Ambeau

Profile

Jarrett P. Ambeau

Criminal Defense Attorney in Baton Rouge | Expert in Forensic DNA Interpretation

Jarrett Ambeau is a highly respected criminal defense attorney based in Baton Rouge, Louisiana, and the founder of The Ambeau Law Firm. With over 14 years of experience and more than 50 felony jury trials to verdict, Jarrett has built a reputation as a dedicated trial lawyer who fights relentlessly for his clients' rights. His practice focuses on serious criminal charges, including violent crimes, homicide, sexual assault, and complex forensic cases.

What sets Jarrett apart is his unique expertise as a court-qualified expert in Forensic DNA Interpretation. He holds a Master of Science in Forensic DNA and Serology from the University of Florida and has testified as a DNA expert in multiple high-profile cases throughout Louisiana and beyond. Jarrett regularly teaches other attorneys and legal professionals how to interpret and challenge DNA evidence in court.

A proud U.S. Army veteran, Jarrett served in the JAG Corps' Trial Defense Service, including a combat deployment to Iraq, where he supported U.S. soldiers as part of their criminal defense team. His deep military experience informs his work ethic, discipline, and commitment to justice.

Jarrett earned his law degree from the Paul M. Hebert Law Center at LSU, where he was a two-time finalist in the Ira S. Flory Moot Court competition and a member of the Moot Court Board. Before law school, he completed his undergraduate philosophy degree while deployed to Iraq with the U.S. Military.

Jarrett Ambeau is widely recognized for his ability to integrate cutting-edge forensic science into criminal defense strategy. He has co-counseled and consulted on dozens of cases involving DNA mixture interpretation, probabilistic genotyping, low copy number DNA, and other forensic disciplines. His work has been featured in academic CLEs, national forensic education programs, and the Netflix documentary “I Just Killed My Dad.”

If you are searching for a top criminal defense attorney in Baton Rouge, Jarrett Ambeau offers unmatched trial experience, scientific insight, and a warrior's dedication to protecting the accused.

Honors & Service

  • Observer - AAFS, Academy Standards Board, DNA Consensus Body, 2022 to present
  • Member - National Forensic College, DNA Leadership Group, 2020 to 2024.
  • Member - American Association for Laboratory Accreditation, 2018 to present.
  • Chair - LACDL Annual Forensic Science CLE 2017 – 2018
  • Special advisor - Code of Criminal Procedure Revision Committee, 2013.
  • Co-chair - LACDL DWI CLE 2013
  • Member - Louisiana Bar Association - Criminal Justice Committee, 2011 to present.

Education

  • Master of Science in Pharmacy, Forensic DNA and SerologyUniversity of Florida- Graduate School
  • Juris DoctoratePaul M. Hebert Law Center, Louisiana State University- Graduate School2008
  • Bachelor of Civil LawsPaul M. Hebert Law Center, Louisiana State University- Undergraduate School2008
  • Bachelor in Science, PhilosophyThomas Edison State University- Undergraduate School2005
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Practice Areas

Recent Blog Posts

Recommendations

  • I'm very satisfied with Mr. Ambeau's representation

    Mr. Ambeau worked diligently on my defense for over three years for the cost he quoted me originally. Like other reviewers mentioned, there would be an additional cost had we gone to trial due to the extensive amount of additional work that trial preparations would require, but that was clearly c...

  • The case was dropped and charges removed

    I had a friend that was dealing with some good ole boys type of law enforcement, basically being accused of doing nothing illegal and the District Attorney for this area wanted him to plead guilty for something he didn't do. I sent him over to Jarrett because I know the type of man and lawyer he ...

  • Jarrett Ambeau will fight for you.

    We were so lucky to have found such an amazing lawyer. He worked long hours on our case. He fought for our son as a criminal lawyer. Without him, I don't believe we could have gotten the verdict we did. Not guilty. Not all cases are the same, but if you need an excellent trial lawyer, Jarrett Amb...

  • Had the entire case dismissed

    Mr. Ambeau represented me when I was wrongfully arrested and had the entire case dismissed. I would recommend him to anyone looking for legal representation in the Ascension or Baton Rouge areas.

  • I got the best results I could ask for

    He did a great job on my case, think I got the best results I could ask for

  • Understanding and respectful

    He has done an outstanding job helping my son and working hard to get him the best outcome. Though I'm not easy to deal with as a mother, he is very understanding and respectful. I have recommended him and will continue to hire myself if the time comes. Thank you for the work you have done for my...

  • He took the stress off of me

    Jarrett capably handled a case for me and achieved the outcome I desired. He took the stress off of me and the issue was resolved in a timely fashion.

  • I will continue to recommend him

    I have recommended Mr. Ambeau to several close friends of mine with legal trouble after learning about a serious criminal charge he was able to get a client exonerated from. Anyone I know who has met with or retained him as an attorney has been satisfied with either the advice or the legal repres...

  • An amazing person and cares about his clients.

    He helped me get my kids and life back. He is an amazing person and cares about his clients. I would recommend him to anyone

  • Thankful for the care and concern showed by everyone at the firm.

    Jarrett Ambeau, at the Ambeau Law Firm, really helped me out in a serious time of need in my life. I was faced with a serious civil litigation issue and Jarrett was there for me when I felt like I had nowhere else to turn. I am thankful for the care and concern showed by everyone at the firm. I a...

  • His prices are fair and services are untouched.

    I looked at a couple of these reviews and I would have never thought Jarrett would have a negative one. Jarrett took on a case for me that another attorney had been working on and milking for 2 years. His prices are fair and services are untouched. Just set up a consultation with him and your gut...

  • Trustworthy, helpful, and always there when you need him!

    Jarrett P Ambeau is a great lawyer. He is helping with my divorce. I can depend and ask him anything. I recommend this attorney to anyone!!! He is trustworthy, helpful, and always there when you need him!!! Thanks Jarrett!!!!

  • We prayed as a family and God sent us Atty Ambeau

    Attorney Jarrett Ambeau has a tough job and went out of his way on a Sunday, to consult with my husband who is currently incarcerated on criminal felony charges. Though there was not a whole lot to discuss during this meet, it goes to show, and gave us great hope that justice will prevail. During...

  • If you are seeking a superior lawyer with a record of achievement, Atty. Ambeau is an excellent choice.

    Jarrett Philip Ambeau is an extraordinary attorney. I have seen many examples of his talent and have long been impressed by his diligence and work ethic. Atty. Ambeau has outstanding organizational skills. He is able to successfully complete multiple tasks with favorable results despite deadline ...