New York City DNA Testing and CPL 440.30 Motion Lawyer
Biological evidence does not speak for itself. It gets interpreted, processed, compared, and reported by crime labs that operate under institutional pressures, staffing constraints, and methodologies that vary more than most people realize. When post-conviction DNA testing returns results that challenge the foundation of a guilty verdict, or when testing was never conducted in the first place, New York law provides a specific mechanism to bring that evidence before a court. Working with a New York City DNA testing and CPL 440.30 motion lawyer requires someone who understands not only the science but the procedural architecture that governs how post-conviction relief actually gets litigated in state court.
CPL 440.30 is the provision of the New York Criminal Procedure Law that authorizes a court to order forensic DNA testing of evidence in connection with a motion to vacate a judgment of conviction. It sits inside a broader framework of post-conviction remedies, but it operates with its own specific requirements, timelines, and burdens. The statute has been interpreted and refined through years of case law, and the courts that apply it, primarily the Supreme Courts across New York’s five boroughs, have developed their own patterns of analysis. Filing a motion under this statute is not a matter of simply requesting a lab test. Courts evaluate whether the evidence exists, whether it is still in a condition to be tested, whether DNA results would be reasonably probable to change the outcome of the verdict, and whether the movant has made the necessary factual showing to get there.
For individuals who have already exhausted direct appeal and are looking at the post-conviction landscape, CPL 440.30 can represent a critical opportunity. It can also represent a narrow window that closes quickly if the motion is not framed correctly from the outset. The Law Offices of Jason Goldman handles these matters as what they are: high-stakes litigation with an unforgiving procedural record, where the quality of the submission can determine whether a court ever gets to the merits at all.
What CPL 440.30 Actually Requires and Where Cases Succeed or Fail
Under CPL 440.30, a defendant seeking DNA testing of evidence must file a written motion in the court that entered the judgment. The motion must identify the evidence to be tested, explain why that evidence is relevant to the conviction, and set forth a factual basis for concluding that DNA testing, if favorable, would create a reasonable probability that the verdict would have been different. Courts do not grant these motions automatically. They scrutinize whether the movant has done the foundational work to justify the order.
One of the most contested issues in practice is the “reasonable probability” standard. This is not a certainty standard, but courts have read it to require more than speculation. A motion that simply asserts “if testing is favorable, it could help me” will not survive. What succeeds is a motion that walks the court through the trial evidence, identifies where the DNA testing would speak directly to a contested factual issue, and explains, with specificity, how a favorable result would undermine the prosecution’s case. In cases that turned on eyewitness identification, for example, DNA from biological material at the scene that excludes the defendant speaks directly to the core of the verdict. In cases with complex evidentiary records, the analysis is more layered, and the motion must do more work.
The condition of the evidence also matters enormously. New York’s crime labs and evidence custodians do not always retain biological material indefinitely. A motion that fails to address whether the evidence is still available, or that does not request an inventory from the custodian before filing, can be dismissed on grounds that have nothing to do with the underlying science. Part of building a serious CPL 440.30 motion involves confirming, before the motion is filed, what material exists and in what condition. This often requires working with investigators and communicating with the relevant evidence unit in the borough where the conviction occurred, whether that is the New York City Police Department property clerk, a district attorney’s evidence vault, or another custodian.
How Jason Goldman Approaches Post-Conviction DNA Litigation
Jason Goldman began his career as a Brooklyn prosecutor, where he handled serious felony cases through trial. That prosecutorial foundation gives him a specific kind of insight when litigating post-conviction matters: he understands how the government builds its cases, where forensic evidence is prioritized, and where it is overlooked. When he now approaches a CPL 440.30 motion from the defense side, he reads the original case file not as an advocate looking for hope, but as a former trial attorney who knows what actually moves a jury and what the original verdict was built on.
Mr. Goldman has tried over 25 cases to verdict and has built a practice that spans every phase of criminal litigation, from pre-arrest investigations through sentencing and appellate work. That full-spectrum practice is directly relevant to post-conviction DNA work, because CPL 440.30 motions do not exist in isolation. A successful motion leads to testing. Testing that produces favorable results leads to a motion to vacate the underlying conviction under CPL 440.10. Vacatur can lead to retrial. Each of those phases requires different skills, and having counsel who has litigated all of them means the strategy does not have to be rebuilt from scratch at every stage. The Innocence Project and similar organizations have documented what happens when post-conviction DNA work is handled in fragments rather than as a coherent strategy: procedural missteps in the motion phase limit what can be argued at the vacatur stage. Mr. Goldman has been recognized by the New York Post, Fox 5, and other major outlets for his work on high-profile cases, and has been described as a lawyer who understands that the story must be controlled at every stage, not just at trial. That philosophy applies with equal force in post-conviction litigation, where the framing of a motion, the selection of what to test, and the management of what results mean all shape the trajectory of the case before any court rules.
Key Issues in New York Post-Conviction DNA and Forensic Evidence Matters
- Evidence Identification and Preservation: Before any motion is filed, counsel must confirm what biological evidence was collected, whether it was tested at trial, and whether it remains in the custody of the NYPD property clerk or the relevant district attorney’s office. Material can degrade or be destroyed, and the motion must address preservation directly.
- The Reasonable Probability Standard: Courts applying CPL 440.30 evaluate whether favorable DNA results would create a reasonable probability of a different verdict. This requires a close analysis of the trial record, particularly what the prosecution’s key evidence actually was and how DNA speaks to it.
- Untested Biological Material from the Original Investigation: In many older convictions, forensic technology at the time of trial did not permit the kind of analysis now available. Swabs, clothing, fingernail scrapings, and other material that were collected but never tested may now be capable of yielding full or partial DNA profiles under modern methods.
- Crime Lab Methodology and Analyst Testimony: Where DNA was tested at trial and produced a match, a CPL 440.30 motion may be accompanied by challenges to the methodology used, the analyst’s qualifications, or the statistical weight assigned to the result. Forensic science standards have evolved, and some older testing methods have since been subjected to serious scrutiny.
- Touch DNA and Mixed Profile Evidence: Modern testing is capable of developing profiles from minimal biological material, including skin cells transferred through contact. Mixed profiles, where DNA from more than one contributor is present, can produce inclusion or exclusion conclusions that require expert interpretation to convey accurately to a court.
- Coordination with Vacatur Motions Under CPL 440.10: A successful testing order under CPL 440.30 is a step, not a destination. Favorable results must then be used to support a broader motion to vacate the judgment of conviction, which involves its own showing and its own procedural requirements. The two motions must be developed in tandem from the beginning.
- Time and Procedural Posture: CPL 440.30 motions do not have a statutory limitations period, but the longer a case sits without action, the greater the risk that evidence deteriorates or is destroyed. Courts also look less favorably on motions that appear to be a last resort without a coherent basis for why testing was not sought earlier.
What Anyone Pursuing This Relief Should Understand Before Filing
The starting point for any CPL 440.30 matter is the trial record. A complete copy of the transcript, the exhibits, the lab reports if DNA was involved at trial, and the appellate history should be assembled before any motion is drafted. Courts do not allow movants to relitigate facts that were already determined on direct appeal, and the motion must be crafted to avoid procedural bars that can foreclose review entirely. This is where the distinction between filing something and filing something that works becomes decisive.
The relevant court is the one that entered the original judgment of conviction. For cases that originated in New York City’s five boroughs, that means the Supreme Court in Manhattan, Brooklyn, the Bronx, Queens, or Staten Island. Each court has its own motion part, and CPL 440 motions are typically submitted to the same Part that handled the original case, or assigned to a designated Part for post-conviction matters. The district attorney’s office in that borough will be noticed and given an opportunity to respond. Understanding the local practice in each borough, including which assistant district attorneys handle post-conviction DNA requests and how those offices approach these motions, matters at a practical level.
Anyone considering this avenue should also be realistic about the process that follows a favorable DNA result. Testing does not automatically vacate a conviction. The result must then be presented to the court in a way that satisfies the legal standard for vacatur, and the prosecution may oppose it. In some cases, the district attorney’s conviction integrity unit will conduct its own review, which can either accelerate resolution or add a layer of complexity. The Law Offices of Jason Goldman has navigated exactly this kind of multi-layered post-conviction landscape, bringing the same investigative approach that Mr. Goldman relies on in pre-trial matters, including the use of private investigators and forensic experts, to bear on the post-conviction context.
Questions People Ask About CPL 440.30 and DNA Testing in New York
What is CPL 440.30 and who can use it?
CPL 440.30 is a provision of the New York Criminal Procedure Law that allows a person who has been convicted of a felony or certain misdemeanors to petition the court for an order directing forensic DNA testing of physical evidence. It is available to individuals who have been convicted and are seeking to challenge that conviction based on the possibility that DNA evidence, if it exists and is testable, could produce results that would undermine the verdict. There is no requirement that the movant still be incarcerated, though courts do consider whether the conviction is still operational in some form.
What happens if the DNA results come back favorable?
A favorable DNA result, meaning one that excludes the convicted person, does not by itself undo the conviction. The result must be presented to the court through a separate or accompanying motion under CPL 440.10 to vacate the judgment. The movant must show that the DNA result, taken together with the other evidence in the case, creates a reasonable probability that the verdict would have been different had this result been available at trial. A favorable result is powerful evidence, but it still requires a full legal argument to convert it into relief.
Does the evidence have to still exist for a CPL 440.30 motion to succeed?
Yes. If the biological evidence no longer exists or cannot be located, the court cannot order it tested. This is why one of the first practical steps in evaluating a CPL 440.30 motion is to determine whether the relevant material is still in the custody of the NYPD property clerk, the district attorney’s evidence unit, or another custodian. Evidence is sometimes destroyed after a period of time, particularly in older cases, and the motion must address this question directly rather than assume the material is available.
How long does the CPL 440.30 process typically take in New York City courts?
The timeline varies significantly by borough and by the complexity of the case. After a motion is filed, the district attorney’s office typically has several weeks to respond. The court may then schedule oral argument or decide the motion on the papers. If the motion is granted and testing is ordered, the actual laboratory analysis can take additional months depending on the condition of the evidence and the workload of the testing facility. From initial filing to receipt of DNA results and a court ruling on vacatur, it is not unusual for the entire process to take a year or longer in contested matters.
Can DNA testing be requested even if DNA evidence was already used at trial?
Yes, and this is actually a significant category of CPL 440.30 cases. Where DNA testing was performed at trial, but more advanced methodologies have since been developed, or where the original analysis has been questioned based on updated scientific standards, a new motion may seek retesting with current methods or a challenge to the original lab’s procedures. The motion must explain why the new testing would produce different or more reliable results than what was available at the time of conviction.
What role does a forensic expert play in a CPL 440.30 motion?
A qualified forensic expert is often essential. Courts evaluating these motions are not necessarily familiar with the technical aspects of DNA analysis, mixed profiles, touch DNA, or the specific methodologies used by New York City’s Office of Chief Medical Examiner laboratory. An expert declaration that explains the science, identifies what could be determined from the available biological material, and sets forth what a favorable result would mean can be the difference between a motion that is granted and one that is dismissed as speculative. Mr. Goldman regularly works with forensic experts in the context of pre-trial defense preparation, and that same network applies in the post-conviction context.
What if my direct appeal was already denied? Does that bar a CPL 440.30 motion?
Not necessarily. CPL 440.30 motions are post-conviction remedies that exist alongside the direct appeal process, not as substitutes for it. However, issues that were already raised and decided on direct appeal generally cannot be relitigated through a CPL 440 motion. The post-conviction DNA context is different because it is grounded in new evidence that did not exist at the time of trial or appeal. Courts distinguish between using a 440 motion to relitigate old arguments and using it to present genuinely new forensic evidence that the original proceedings did not address.
Can a CPL 440.30 motion be used in cases involving sexual assault convictions?
Yes. Sexual assault cases are among the most common categories where post-conviction DNA testing produces significant results, because biological material is frequently collected as part of the original investigation and may not have been fully analyzed or may be susceptible to more sophisticated analysis than was available at the time. In cases where the conviction rested primarily on eyewitness testimony or victim identification, DNA evidence excluding the defendant from biological material at the scene can be extraordinarily probative.
What happens to my criminal record while a CPL 440.30 motion is pending?
Filing a CPL 440.30 motion does not automatically stay any aspect of the original sentence or alter the conviction’s presence on a criminal record while the motion is pending. The conviction remains unless and until it is vacated by court order. In some circumstances, a court may entertain a bail application or other relief pending the outcome of a vacatur motion, but that is a separate proceeding and not automatic. Anyone with active supervision obligations, such as parole or probation, should understand that those obligations continue while the motion is being litigated.
How is a CPL 440.30 motion different from filing a petition for a writ of habeas corpus in federal court?
These are separate remedies with different requirements and forums. CPL 440.30 is a New York State statutory remedy filed in the state court that entered the original conviction. Federal habeas corpus petitions are filed in federal district court and are generally available only after state remedies have been exhausted. Federal habeas review is also significantly constrained by statute and case law, making it a narrower avenue in many respects. For individuals convicted in state court in New York, CPL 440.30 is typically the appropriate first mechanism for post-conviction DNA litigation, and pursuing it properly also preserves the record for any subsequent federal review.
Representing Post-Conviction DNA Clients Across New York City and Beyond
The Law Offices of Jason Goldman accepts CPL 440.30 and post-conviction DNA matters for clients convicted in courts across Manhattan, Brooklyn, the Bronx, Queens, and Staten Island. Within Manhattan, the firm handles matters arising out of proceedings in the New York County Supreme Court, covering clients from neighborhoods including Harlem, Washington Heights, the Upper East Side, Midtown, Chelsea, the Lower East Side, and lower Manhattan. In Brooklyn, the firm serves individuals whose convictions originated in Kings County Supreme Court, including clients from Brownsville, East New York, Crown Heights, Flatbush, Bed-Stuy, Sunset Park, and Bay Ridge. The firm handles matters in the Bronx arising from Bronx County Supreme Court proceedings, representing individuals from Mott Haven, Hunts Point, Fordham, Riverdale, and throughout the borough. In Queens, the firm litigates before Queens County Supreme Court on behalf of clients from Jamaica, Flushing, Astoria, Far Rockaway, Woodside, and the surrounding communities. Staten Island matters, filed in Richmond County Supreme Court, are also within the firm’s practice.
Beyond New York City, the firm is admitted to practice in both the Southern and Eastern Districts of New York and has secured pro hac vice admission in jurisdictions throughout the country for clients facing post-conviction matters in other states. For individuals whose cases have a federal component or who are seeking to pursue federal habeas review after exhausting state remedies, the firm is positioned to handle that transition as well.
Speak With a New York City DNA Testing and CPL 440.30 Attorney
Post-conviction DNA litigation is some of the most consequential work a criminal defense attorney can handle. The procedural demands are exacting, the science requires genuine engagement, and the stakes for clients, many of whom have already spent years living under a wrongful conviction, could not be higher. If you or someone you know is seeking to pursue DNA testing under CPL 440.30 or to challenge a conviction based on forensic evidence issues, speaking with a New York City DNA testing and CPL 440.30 attorney at the Law Offices of Jason Goldman is the appropriate first step. Contact the firm to schedule a consultation and discuss the specific facts of the case, the condition of any existing evidence, and what a properly constructed motion would require.
