Federal prosecutors are urging a federal judge to impose a prison sentence of more than a decade on Konstantinos "Kosta" Diamantis, the former head of Connecticut's school construction program, characterizing him as a calculating official who systematically abused his authority for personal financial gain.
The sentencing recommendation stands in stark contrast to the request submitted by Diamantis, who is asking the court to spare him any time in federal prison. While the government argues that his extensive public corruption demands substantial incarceration, the former official is seeking a punishment limited to home detention and maximum probation.
In a comprehensive sentencing memorandum, Assistant U.S. Attorneys David E. Novick and Jonathan N. Francis argued that Diamantis should receive a sentence within the advisory federal guideline range of 121 to 151 months. If adopted by the court, the recommendation would place the disgraced former state lawmaker behind bars for as long as 12 years and seven months.
Prosecutors highlighted what they characterized as an utter lack of integrity, emphasizing that Diamantis exploited his high-ranking public office to strong-arm school contractors into delivering cash kickbacks and providing his daughter with a lucrative, low-show administrative position at inflated hourly rates.
Diamantis, 70, is scheduled to appear for sentencing on Thursday before U.S. District Judge Stefon Underhill at the federal courthouse in Bridgeport. The sentencing follows a nine-day trial last October that culminated in a jury finding him guilty of 21 separate federal counts, including bribery, extortion, conspiracy, and lying to federal investigators.
Following his conviction, the former state official resigned from the Connecticut bar in February. Currently remaining free after posting a $500,000 bond, Diamantis has mounted a plea for leniency through his defense counsel, maintaining that the severe personal fallout from the criminal case has already imposed a crushing toll.
His defense attorney, Norm Pattis, filed a motion asserting that Diamantis does not downplay the gravity of the jury's findings or the magnitude of his breach of the public trust. However, the defense maintained that sending a 70-year-old man to prison for more than a decade serves minimal additional purpose under federal sentencing objectives.
Pattis argued that the court should take into account Diamantis's advanced age, his lack of physical dangerousness, the complete loss of the official post that facilitated the offenses, and the total ruin of his finances and professional standing. The defense also pointed to his severely diminished earning capacity and family responsibilities as compelling grounds to grant home detention.
Under the alternative sentencing proposal put forward by his lawyer, Diamantis would face stringent conditions without serving time in prison. These terms would include strict bans on seeking future government employment or municipal contracts, continuous financial disclosures and monitoring, court-ordered restitution payments where appropriate, and formal prohibitions against profiting from his illegal actions.
The federal case against Diamantis centered on corrupt schemes that operated between 2018 and 2021, during which he oversaw school building projects in Hartford, Tolland, and other communities. Diamantis claimed on the witness stand that he was merely moonlighting in his off-hours as a legal consultant for firms involved in these multimillion-dollar school ventures.
However, jurors rejected his testimony and credited the accounts of corporate executives who had previously entered guilty pleas for their involvement in the kickback operation. Among them was Antonietta Roy, the owner of Construction Advocacy Professionals, who testified that she felt compelled to pay Diamantis $4,500 in cash and checks and hire his daughter for an administrative post paying $45 per hour to ensure her firm did not lose state-backed contracts.
The jury also evaluated testimony from John Duffy, Diamantis's former brother-in-law and the vice president of Middlefield-based Acranom Masonry. Duffy revealed to the court that his company's winning contract bid had been deliberately structured to factor in a $70,000 payoff earmarked directly for Diamantis.
In pressing for a lengthy term of imprisonment, prosecutors noted that Diamantis engaged in sustained corruption over several years rather than committing an isolated lapse in judgment. They noted that the state's school construction financing framework left financially struggling and urgent-need school districts especially vulnerable to his extortionate practices.
Federal prosecutors pointed out that this manipulation resulted in public school districts receiving contractors selected because of illicit payoffs rather than the quality of their craftsmanship. As an example, prosecutors stated that Diamantis compelled the city of Hartford to use Acranom Masonry for the fourth phase of the Weaver High School project, despite the firm's prior masonry work on the site being so poorly executed that substantial portions had to be dismantled and redone.
The forthcoming sentencing in Bridgeport will not fully resolve Diamantis's legal battles. He is scheduled to face a second public corruption trial early next year on charges alleging he used his former post within the state Office of Policy and Management to accept $100,000 payments in exchange for attempting to shut down a state healthcare fraud audit into a Bristol eye care practice.
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