Twelve years after a Staten Island jury found him guilty, Alexis Rodriguez is back in court from the opposite side of the courtroom. His attempted-rape conviction was overturned, the prosecution was eventually abandoned, and Rodriguez is now suing New York City and forensic scientists who handled the DNA evidence that helped send him to prison.
The federal civil-rights lawsuit was filed in the Eastern District of New York on August 19, 2026. It names the city as well as forensic biologists Craig O’Connor and Theresa Caragine among the defendants. Rodriguez argues that misconduct inside New York City’s medical examiner’s laboratory contributed directly to his wrongful conviction and incarceration.
The most serious claim goes considerably further than an allegation of careless forensic work. Rodriguez contends that analysts manipulated or altered interpretations of complicated DNA samples so that the results would more closely fit his genetic profile. No court has yet found that the analysts deliberately fabricated evidence, and the new lawsuit will have to prove that allegation separately.
What courts have already established is narrower but consequential. Rodriguez’s conviction was vacated in 2021 after a judge concluded that his trial lawyer had provided ineffective assistance by failing to retain an independent DNA expert capable of meaningfully challenging the prosecution’s complex forensic evidence.
Daycom’s review of the publicly available court record shows that the wrongful conviction over DNA evidence involves two distinct legal questions. The failure of Rodriguez’s original defence has already been recognised by the courts. The allegation that forensic scientists intentionally fabricated evidence is new and remains unproven.
The underlying case began on January 12, 2010, when a 22-year-old woman was attacked as she walked to work on Staten Island. A man grabbed her from behind, forced her to the ground and tried to open her clothing. She managed to escape and later turned over gloves, a scarf and other items so investigators could search them for biological traces.
Her initial description created difficulties that would later assume greater significance. The attacker was described as a slim Hispanic man roughly 5 feet 5 inches tall. Rodriguez is more than six feet tall. The discrepancy did not conclusively exclude him, but it became important once questions emerged about the strength of the evidence identifying him.
The identification evidence was also far from straightforward. At one point the victim did not identify Rodriguez as her attacker in a lineup. As the case developed, DNA consequently became central to the prosecution: it was effectively the only piece of evidence purporting to connect Rodriguez scientifically to the assault.
Rodriguez entered investigators’ orbit through an unrelated case. After his arrest in 2011 in connection with a burglary, his DNA profile was entered into a database. The medical examiner’s laboratory later reported an association between his profile and genetic material recovered from the victim’s clothing. He was arrested on the attempted-rape case in August 2012.
The difficulty lay in what the laboratory was actually analysing. Some of the material consisted of complex mixtures containing DNA from several people, while certain components were present only in extremely small quantities. Such samples can be far more difficult to interpret than a clear profile obtained from a single source.
At very low DNA levels, random effects during testing can become more important. Genetic markers may appear or disappear inconsistently, and analysts must make judgments about how many people contributed to a mixture and which statistical assumptions should be applied. The resulting conclusion can therefore depend heavily on methodology as well as on the underlying biological material.
The New York laboratory used a statistical system known as the Forensic Statistical Tool, or FST, which had been developed to evaluate complicated DNA mixtures. It was part of a broader effort to extract useful information from samples that earlier generations of forensic testing might have considered too weak or too complicated.
In February 2013, O’Connor prepared a report analysing material in Rodriguez’s case. One conclusion indicated that Rodriguez could be a contributor to DNA recovered from one of the victim’s gloves. At trial, however, his testimony was described in substantially firmer terms, effectively identifying Rodriguez as the source of that genetic material.
For a jury, the difference between saying someone “could be” a contributor and saying that person “was” the source can be profound. The first conveys statistical uncertainty; the second can sound like a scientific finding of identity. Rodriguez’s lawyer challenged aspects of the testimony but did not have a defence DNA specialist available to dismantle the methodology.
That absence became one of the defining failures of the trial. Without an independent scientist, the defence was poorly equipped to explain how tiny quantities of DNA, mixed profiles, assumptions about contributors and statistical modelling could affect the apparent strength of the prosecution’s result.
In May 2014, a jury convicted Rodriguez of attempted first-degree rape, attempted kidnapping and criminal possession of a weapon. He received concurrent prison sentences of up to 15 years. Rodriguez maintained that he had not committed the attack and ultimately spent about seven and a half years behind bars.
Only during the later challenge to his conviction did defence lawyers bring in specialists to examine the underlying forensic record in detail. They raised concerns about the extremely small amount of DNA, possible degradation, the complexity of the mixtures and the risk of incorrectly determining how many people contributed genetic material.
Experts also pointed to the possibility of secondary DNA transfer. Genetic material does not necessarily reach an object through direct contact by the person whose profile is detected. It can, under some circumstances, be transferred through another person or intermediary surface — a possibility whose importance depends heavily on the facts of a particular case.
The statistical assumptions mattered as well. If an analyst incorrectly estimated the number of contributors to a mixed sample, the model could produce a misleading picture of how significant a particular profile was. What might appear to jurors as a powerful numerical result could therefore rest on disputed assumptions made before the calculation even began.
In May 2021, Justice William Garnett vacated Rodriguez’s conviction. The court concluded that the scientific evidence was sufficiently complicated to require expert assistance and that the defence lawyer’s failure to obtain such assistance was a serious deficiency capable of affecting the verdict.
Prosecutors appealed. In December 2022, an appellate court upheld the decision, agreeing that Rodriguez’s lawyer had no adequate strategic reason for failing to consult a DNA expert despite the volume and complexity of the forensic material on which the prosecution’s case depended.
New York’s highest court declined to intervene in April 2023. On November 3 of that year, the criminal case came to an end when the prosecution moved to dismiss the charges and the court granted the request. Rodriguez was no longer facing the accusations that had once resulted in his lengthy prison sentence.
None of those rulings, however, established that laboratory employees intentionally falsified evidence. The courts addressed the constitutional adequacy of Rodriguez’s defence and the effect that an expert could have had on the trial. The new civil case asks a much more difficult question: whether forensic personnel themselves deliberately distorted the scientific record.
That allegation arrives with historical baggage for New York City’s Office of Chief Medical Examiner. More than a decade ago, a state inspector general’s investigation examined problems involving DNA evidence and laboratory practices, including the handling of disagreements among analysts and errors affecting sexual-assault cases.
Caragine, who is now a defendant in Rodriguez’s lawsuit, figured in that earlier scrutiny. Investigators found that in separate cases she had failed to follow laboratory procedures for resolving scientific disagreements, including situations involving the rewriting of reports or reassignment of analyses after disputes over conclusions.
Those findings concerned different cases and do not prove Rodriguez’s present allegations. But they give his lawyers potentially important institutional context: concerns about how disagreements over DNA interpretation were handled inside the laboratory had been formally documented years before the current lawsuit.
The larger controversy also involves the forensic methods themselves. New York became a pioneer in extracting and interpreting extremely small quantities of DNA. Such advances expanded the reach of forensic genetics, allowing laboratories to attempt conclusions from evidence that once might have yielded no usable profile at all.
But increased sensitivity brought new uncertainty. The smaller and more complicated a sample becomes, the more important questions of contamination, transfer, stochastic effects and analyst assumptions can be. Statistical software may process the data, but software does not eliminate the scientific judgments made before the numbers are produced.
New York’s laboratory later moved away from some of the techniques used during that period, including FST, in favour of newer approaches. That change does not mean every earlier result was invalid. It does demonstrate, however, that forensic DNA science evolved considerably while thousands of criminal cases relied on techniques that were once presented with considerable confidence.
Rodriguez’s case therefore reaches beyond a single wrongful conviction over DNA evidence. Genetic testing occupies an unusually powerful place in criminal trials because jurors may perceive it as objective, mathematical and nearly infallible. In straightforward cases, its evidentiary strength can indeed be extraordinary.
Complex mixtures are different. Here, forensic science is not simply “reading” an unambiguous genetic signature. Analysts are interpreting uncertain biological information, selecting assumptions and expressing a conclusion in language whose degree of confidence can strongly shape how prosecutors, defence lawyers and juries understand the evidence.
That places responsibility on more than the laboratory. Prosecutors have to communicate the limits of forensic conclusions accurately. Defence lawyers need the expertise and resources to test them. Judges must ensure that impressive statistics do not obscure contested assumptions or turn an expert’s opinion into something the jury treats as unquestionable fact.
New York City’s medical examiner’s office has defended its work, saying it operates according to best practices and stands behind the science produced by its experts. The allegations in Rodriguez’s civil complaint remain allegations, and neither the city nor the individual defendants have been found liable for fabricating evidence in his case.
Rodriguez, now 42, lives near Orlando, Florida, where he works providing transportation for older people. A civil lawsuit cannot restore the years he spent incarcerated. Nor does filing one establish misconduct. What it can do is reopen scrutiny of decisions made inside the forensic process that helped determine the course of his life.
The consequences could extend beyond any damages eventually awarded. If the case proceeds to a detailed examination of how the DNA findings were generated, changed and presented, a federal court may have to confront the boundary between legitimate scientific interpretation, professional error and deliberate fabrication.
That boundary matters because modern criminal justice increasingly depends on specialised knowledge that judges and juries cannot independently reproduce. Rodriguez’s case is therefore not ultimately a test of whether DNA science should be trusted. It is a test of how rigorously the justice system scrutinises the people and institutions entrusted to speak in science’s name.
