
Martín Sabelli received his degrees from Harvard College (1985), the London School of Economics and Political Science (1987), and Yale Law School (1990). He currently has his own firm and has served, in the past, as a Federal Public Defender, a partner of a national firm (Winston & Strawn), the Director of Training of the Office of the San Francisco Public Defender, and as a law clerk to the late Honorable Robert F. Peckham, United States District Judge.
He has represented individuals in state and federal courts since 1993 in a wide range of civil and criminal matters including complex federal white collar criminal prosecutions, multi-defendant federal conspiracy cases, federal and state gang-related prosecutions, and federal and state death-penalty matters. These matters have included corporate internal investigations in civil and criminal matters as well as matters pending before the Securities and Exchange Commission, matters investigated and prosecuted by the Federal Deposit Insurance Corporation, matters prosecuted under the Racketeering and Corrupt Organization Act, and legal malpractice matters.
He has taught for the National Criminal Defense College since 2001 and for the Trial Advocacy Workshop of Harvard Law School, the National Institute for Trial Advocacy, and the National Association of Criminal Defense Lawyers (NACDL) as well as numerous other criminal defense and public defense programs around the country and abroad.
He has also served as the Director of the Mexico Program for the National Institute of Trial Advocacy. He regularly lectures on comparative criminal justice issues and trains judges, prosecutors, and lawyers in Argentina, Mexico, Chile, and Peru. He has also trained judges, prosecutors, and lawyers in numerous other countries including Colombia, Bolivia, Nicaragua, Tunisia and Egypt.
He has authored law review articles and practice guides on gang expert issues, the dangers of self representation, expert witnesses, prosecutorial discretion, and comparative law issues.
Featured Products
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Using AI for Trial Preparation: Managing Overwhelming Caseloads
This 1-hour program shows defense lawyers how to use AI to tame heavy caseloads while staying ethical. Learn to auto-summarize discovery into timelines, relationship maps, and contradiction charts; draft and refine cross-exams; analyze juror questionnaires; and test case theories. Set up workflows and agents to monitor law, media, and social posts. Build simple custom trial tools. Leverage sentencing data for mitigation. Includes confidentiality, verification, and disclosure best practices to boost accuracy and save hours weekly.
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Pozner's Red Book on Cross: Lessons in Advanced Cross-Examination
This compact handbook brings together over 20 of Larry Pozner’s most powerful cross-examination articles, covering core principles and advanced strategies for witness control, impeachment, chaptering, and framing reasonable doubt. Packed with scripting examples, real-world scenarios, and tactical insight, it shows how to press or pivot with purpose, drop weak points, and keep cross disciplined. Whether dismantling an officer’s account, challenging an eyewitness, or exposing investigative gaps, Pozner’s field manual delivers courtroom-ready tools to win.
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Exposing Lies and False Testimony in Criminal Trials
When a case hinges on credibility, the lawyer who can expose a lie controls the outcome. This program delivers a courtroom-ready system to detect deception, dismantle false testimony, and turn credibility attacks into acquittals or favorable pleas. Learn research-backed methods to spot dishonesty in interviews, build an impeachment toolkit under the rules of evidence, and craft narratives that reveal bias, motive, and contradictions—arming you to challenge police, experts, informants, and eyewitnesses with precision.
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Objections That Stick! How to Exclude, Preserve, and Persuade
If you’re not objecting, you might be conceding—learn how to stop giving ground.
This program delivers practical strategies for making effective objections in criminal trials, especially drug cases. Learn how to challenge hearsay, 404(b) evidence, improper opinions, and prejudicial testimony. You’ll get objection language, methods for preserving error, and tactics for handling misconduct in closing arguments. With real-world examples and trial-tested tools, this program helps defense attorneys sharpen courtroom advocacy and protect the record for appeal.
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Combating the "Rape Myth" Expert: Excluding & Diffusing Expert Testimony
When the prosecution uses a “rape myth” expert to sway the jury, do you know how to stop them—and turn their science against them?
This program, based on a real trial, gives defense attorneys a practical roadmap to challenge and exclude biased psychological testimony. You’ll get sample voir dire, motion language, Daubert strategies, and tips for exposing flawed methodology and narrowing testimony. Whether you're aiming to exclude the expert or limit their impact, this session equips you with the tools to protect your client and assert control in the courtroom.
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Pattern Cross-Examination for Digital Forensic Experts
This guide provides ready-to-use cross-examination questions, categorized by artifact type and case theme—from cell phone towers to deleted texts to smart devices and cloud forensics. Whether you’re handling a case involving child exploitation, stalking, or online fraud, this book delivers practical patterns designed to highlight sloppy forensics, bias, tool limitations, and assumptions of intent or identity. Defense attorneys don’t need a computer science degree—they need strategy, control, and the right questions to challenge the illusion of digital certainty in court.
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Using Chat GPT in Criminal Cases - Writing Better Prompts
Want a motion written in plain language but grounded in Tennessee case law? Need a summary of Fourth Amendment jurisprudence with primary and secondary citations? This is where you learn how to get that—on demand, and with far less editing. This training is designed specifically for attorneys—busy professionals who need fast, accurate, and case-relevant AI support. Whether you’re drafting motions, brainstorming legal strategy, summarizing complex case law, or preparing cross-examinations, the quality of your AI output comes down to one thing: how you ask for it.
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Alcohol, Blackouts and Consent in Sex Cases
This comprehensive training program provides defense attorneys with a rigorous, science-backed approach to dismantling prosecutorial narratives, exposing unreliable testimony, and ensuring that juries are properly educated on the complexities of memory, intoxication, and consent. You'll explores critical mistakes and misconceptions encountered in these cases, including errors in memory reconstruction after an event, incorrect inferences, cognitive schemas, suggestibility, contamination and misinformation, mistakes of fact and more.
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Overcoming the Presumption of Guilt and Defining Reasonable Doubt
Reasonable Doubt, what is it?
In order to win criminal cases, the defense practitioner must object to a reasonable doubt standard that lowers the burden of guilt. This program will discuss proven methods to argue and define reasonable doubt persuasively to a jury. You’ll learn how define reasonable doubt using metaphors and hypothetical scenarios that force juries to dispute the evidence, conflicts in the evidence, or even lack of evidence in your case.
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The DIY of DNA: Exoneration Through DNA Evidence
This presentation might be the first time you’re truly able to truly grasp the fundamentals of DNA evidence. This critical presentation blends real-world storytelling with clear, practical instruction—making DNA evidence finally feel accessible, even to non-scientists—while inspiring attorneys to dig deeper, ask smarter questions, and approach forensic science with newfound confidence. You’ll learn how to identify and interpret electropherograms, understand autosomal vs. Y-STR testing, and recognize the limits of DNA evidence—particularly when it involves partial or mixed samples.