The Massachusetts Appeals Court has ordered a new trial for Michael Tomaso, who was previously found to be a sexually dangerous person. The court ruled that significant evidentiary errors occurred during his trial, particularly regarding the admissibility of expert testimony related to his mental health. This decision affects Tomaso, who has been civilly committed since 2009, and raises important questions about the standards of evidence in sexually dangerous person proceedings.
Tomaso, who was committed under Massachusetts General Laws Chapter 123A, filed a petition for release in 2019. He argued that he was no longer a threat to society. However, after a jury trial, he was deemed to still be sexually dangerous. The Appeals Court's ruling now requires a fresh examination of the evidence presented in his original trial.
The case centers on Michael Tomaso, who has a history of sexual offenses dating back to the 1970s. He was civilly committed in 2009 after being found a sexually dangerous person. In 2019, he sought to challenge this status, leading to a trial where expert psychologists testified that he was likely to reoffend due to a diagnosis of sexual sadism disorder. However, these diagnoses relied heavily on allegations from dismissed charges that were not proven in court, raising concerns about their validity.
During the trial, the jury heard from three psychologists who testified that Tomaso's mental health conditions made him a risk for reoffending. These experts largely based their opinions on allegations from charges that had been dismissed years earlier. The Appeals Court found that the judge failed to properly assess whether the underlying facts of these allegations were admissible, which led to a significant error in the trial.
The court stated, "As we cannot say that this evidence had no impact on the jury's verdict, we vacate the judgment, set aside the verdict, and remand this case to the Superior Court for a new trial." The judges involved in the ruling were Walsh, Toone, and Tan.
This ruling is significant as it highlights the complexities of evidentiary rules in cases involving sexually dangerous persons. The court emphasized that the admissibility of evidence in such cases is governed by a unique set of rules, which require careful consideration of what information can be presented to a jury. The reliance on unproven allegations from dismissed charges raises critical questions about the fairness of the trial process.
The implications of this ruling extend beyond Tomaso's case. It sets a precedent for how courts may handle similar cases in the future, particularly regarding the admissibility of expert testimony and the reliance on dismissed charges in determining a person's sexual dangerousness. This decision may encourage greater scrutiny of expert opinions in civil commitment cases, potentially affecting other individuals facing similar legal challenges.
Moving forward, Tomaso's case will be retried, allowing for a new examination of the evidence under the guidelines set forth by the Appeals Court. The court's decision underscores the importance of ensuring that all evidence presented in such sensitive cases meets the necessary legal standards for admissibility. This ruling could lead to changes in how expert testimony is evaluated and the types of evidence that can be considered in civil commitment proceedings.
As of now, it is unclear if the Commonwealth plans to appeal this ruling. The Appeals Court's decision may also influence other pending cases involving similar issues of evidentiary standards in civil commitment proceedings.











