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Kosta Diamantis testifies: They were fees, not bribes

Kosta Diamantis exits the U.S. District Court in Bridgeport during a break in his trial on October 6, 2025.
Shahrzad Rasekh
/
CT Mirror
Kosta Diamantis exits the U.S. District Court in Bridgeport during a break in his trial on October 6, 2025.

Konstantinos “Kosta” Diamantis, ϳԹ’s former state deputy budget director, took the witness stand in federal court in Bridgeport on Thursday in an effort to fend off allegations that he used his position overseeing the state’s school building office to solicit tens of thousands of dollars in bribes from construction contractors.

For several hours, Diamantis testified about his past work on school construction projects in ϳԹ and his relationship with three construction officials, all of whom have previously admitted in court to paying him bribes.

Federal prosecutors spent the first six days of the criminal trial presenting evidence that Diamantis had received payments from two officials with Acranom Masonry, which won multimillion-dollar contracts to help build schools in Hartford and Tolland.

And they showed the jury payroll records that proved that Diamantis’ daughter was hired by Construction Advocacy Professionals, another firm that secured work on projects in Tolland, Hartford and New Britain.

Diamantis and his defense attorney, Norm Pattis, sought to explain away the emails, text messages and other direct evidence presented in the case. And they attempted to reshape the narrative that prosecutors put forward: that Diamantis eagerly traded his influence over school building projects for bribes and other favors from construction contractors.

“Mr. Diamantis will tell you he never took a bribe,” Pattis told the jury an opening statement. “And he will tell you he never used undue influence on school construction projects.”

The only goal that Diamantis had as the head of ϳԹ’s school construction program, Pattis argued, was to save taxpayers money.

“He gave everything he had for the job he loved,” Pattis said.

When he took the stand, Diamantis admitted that he accepted $70,000 from Acranom’s president Sal Monarca and vice president John Duffy, which the text messages in the case suggested. But he said that money was not for helping the company win school construction contracts.

Instead, Diamantis said, he collected a “fee” for introducing Acranom’s leaders to the executives at D’Amato Construction, whom Diamantis is close friends with.

“Contractors are always looking to expand their network,” Diamantis said.

“I made an introduction between John Duffy and D’Amato construction,” he added.

Diamantis, who previously served in the legislature and practiced law, told the jury that he personally researched the state ethics code to determine if collecting that type of “fee” crossed the line.

That testimony stood in stark contrast to what Duffy and Monarca told the jury just days before. Both of them admitted under questioning that the money they delivered to Diamantis at a Dunkin’ Donuts, at his home and in a restaurant bathroom were bribes that were meant to win them contracts on school construction projects.

On multiple occassions, Diamantis acknowledged receving cash from the two men, but he said it didn’t happen in the locations that Duffy and Monarca claimed.

Diamantis, who looked directly at the jury as he testified, also challenged the prosecution’s assertion that he ruled the state’s school construction office with an iron fist. And he repeatedly told the jury that he had no control over which companies got hired on school construction projects.

He said that decision was up to local officials in ϳԹ’s towns and cities.

“The state of ϳԹ is not party to any of those contracts,” Diamantis said.

That testimony ran counter to what several local officials in Tolland and Hartford told the jury last week. The head of Hartford’s School Building Committee and the superintendent of Tolland schools said Diamantis told the municipalities which companies to hire in several instances.

They said they went along with those instructions because of the grip that Diamantis had on state funding for school construction projects.

At times, Diamantis’ answers to his attorney’s questions turned into history lessons about ϳԹ’s school construction policies or veered into stories about his time running the school construction program.

At one point, Diamantis named all of the people he managed in the school construction office. At another, Pattis asked him questions about rats that were “biting children” at the Burns Latino Studies Academy in Hartford.

Some of the answers stretched on for so long that prosecutors complained to the judge during a break that Diamantis’ testimony was irrelevant to the trial, and they said he seemed to be “filibustering” in order to drag out the trial for some reason.

And when Diamantis began testifying about the rats at Burns, U.S. District Judge Stefan Underhill cut in and told Pattis to drop the line of questioning.

Prosecutors did not get a chance to question Diamantis on Thursday and didn’t have the opportunity to ask him about the voluminous number of text messages, emails or financial records they swept up as part of their investigation.

The two assistant U.S. Attorneys who are leading the case spent most of the afternoon taking notes to prepare for their upcoming cross-examination of Diamantis.

Pattis tried to get ahead of some of the questions that federal prosecutors are likely to ask, including inquiries about several text messages and a voicemail in which Diamantis complained to Duffy about not having enough money.

Diamantis agreed he was in need of money at the time because he had child support, alimony, school tuition and a wedding to pay for. And he admitted that he complained about those money issues to Duffy.

Pattis also asked Diamantis about a communication in which Duffy suggested that Diamantis wanted to be paid as a consultant with an “annual fee.”

Diamantis did not deny that he told Duffy that, but he said it was a “tongue in cheek” comment.

Diamantis’ daughter, Anastasia, was also called as a defense witness on Thursday to testify about the work she performed as an administrative assistant for Antonietta DiBenedetto Roy, the owner of Construction Advocacy Professionals, a firm that won several contracts for school projects in Tolland, Hartford and New Britain.

Under questioning from Pattis, Anastasia Diamantis said it was Roy who approached her and asked her to apply for the job at her firm.

But under cross-examination, she acknowledged to prosecutors that it was her father who encouraged Roy to contact her for the administrative assistant job. She also acknowledged that she asked Roy to pay her $20 per hour, but Roy chose to pay her $45 per hour instead.

Roy previously told the jury she paid a higher rate in order to keep Diamantis happy and to gain work on school construction projects.

During his turn on the stand, Diamantis denied he had anything to do with getting his daughter hired at the construction company. He said that was solely Roy’s choice.

And he reiterated at several points that he never used his position as one of the highest-ranking officials in the state government to personally benefit himself or his family.

Diamantis told jurors that the federal investigation into his work within the state government had turned his life and his family’s into “a living hell.”

“My family and myself have been dragged through the mud,” he said.

Federal funding is gone.

Congress has eliminated all funding for public media.

That means $2.1 million per year that ϳԹ relied on to deliver you news, information, and entertainment programs you enjoyed is gone.

The future of public media is in your hands.

All donations are appreciated, but we ask in this moment you consider starting a monthly gift as a Sustainer to help replace what’s been lost.

SOMOS CONNECTICUT is an initiative from ϳԹ, the state’s local NPR and PBS station, to elevate Latino stories and expand programming that uplifts and informs our Latino communities. Visit CTPublic.org/latino for more stories and resources. For updates, sign up for the SOMOS CONNECTICUT newsletter at ctpublic.org/newsletters.

SOMOS CONNECTICUT es una iniciativa de ϳԹ, la emisora local de NPR y PBS del estado, que busca elevar nuestras historias latinas y expandir programación que alza y informa nuestras comunidades latinas locales. Visita CTPublic.org/latino para más reportajes y recursos. Para noticias, suscríbase a nuestro boletín informativo en ctpublic.org/newsletters.

Federal funding is gone.

Congress has eliminated all funding for public media.

That means $2.1 million per year that ϳԹ relied on to deliver you news, information, and entertainment programs you enjoyed is gone.

The future of public media is in your hands.

All donations are appreciated, but we ask in this moment you consider starting a monthly gift as a Sustainer to help replace what’s been lost.

ϳԹ’s journalism is made possible, in part by funding from Jeffrey Hoffman and Robert Jaeger.