Sooner or later in June of final yr, at a time when federal investigators have been demanding safety footage from former President Donald J. Trump’s Mar-a-Lago property, Yuscil Taveras shared an explosive secret.

Mr. Taveras, who ran Mar-a-Lago’s know-how division from a cramped work house within the basement of the sprawling Florida property, confided in an workplace mate that one other colleague had simply requested him, at Mr. Trump’s request, to delete the footage that investigators have been looking for.

Mr. Taveras later repeated that story to a minimum of two extra colleagues, who in flip shared it with others, in response to folks with data of the matter. Earlier than lengthy, the story had ricocheted across the grounds of Mr. Trump’s gold-adorned non-public membership and up the chain of command at Trump Tower in Manhattan, prompting Mr. Taveras’s superiors in New York to warn in opposition to deleting the tapes.

However by then, Mr. Taveras had already balked at what prosecutors stated was Mr. Trump’s request. Seeking to keep away from the investigation into whether or not the previous president was hoarding labeled paperwork at Mar-a-Lago, he informed one colleague that he was unwilling to cross a line and doubtlessly go to jail, in response to one other particular person with data of the dialog.

Nonetheless, when he was summoned earlier than a grand jury this spring, Mr. Taveras didn’t totally recount the incident. Solely after prosecutors subsequently threatened to cost him for failing to inform all that he knew did Mr. Taveras shift course to develop into a doubtlessly vital witness within the case.

Going through indictment this summer time, Mr. Taveras changed his lawyer, who was being paid by Mr. Trump’s political motion committee and additionally represented one of many former president’s co-defendants. Mr. Taveras then returned to the grand jury and provided a extra detailed model of occasions, recounting how he had been requested to delete the surveillance footage. In alternate, prosecutors agreed to not cost him.

This account of Mr. Taveras’s turnabout, drawn from court docket information and interviews with practically a dozen individuals who know him and are concerned within the matter, reveals new particulars of the vital if at first reluctant function he performed in serving to investigators develop proof that Mr. Trump and two aides allegedly plotted to destroy safety footage displaying packing containers of labeled supplies being shuttled out and in of a storage room at Mar-a-Lago.

Prosecutors have thrust the once-obscure Mr. Taveras, a 45-year-old laptop whiz with a spouse and two youngsters, into the fragile place of being each Mr. Trump’s worker — he continues to work at Mar-a-Lago — and a witness in opposition to him.

Mr. Taveras is anticipated to testify in opposition to the previous president in addition to two of Mr. Trump’s staff, Walt Nauta and Carlos De Oliveira, all of whom have been charged with a conspiracy to impede the federal government’s investigation. It was Mr. De Oliveira who requested Mr. Taveras to delete the footage, in response to prosecutors.

The sequence of occasions surrounding the surveillance tapes, as laid out by prosecutors within the indictment and in interviews, suits a typical sample over a few years for these in Mr. Trump’s orbit, with some aides dashing to hold out his needs and others looking for to rein him in to avert authorized and political dangers.

The case has additionally made Mr. Taveras one thing of a singular determine in Mr. Trump’s world: He’s the primary Trump worker going through prosecution within the labeled paperwork case recognized to have signed a cooperation settlement to keep away from indictment.

His state of affairs stands in distinction to plenty of folks entangled within the Fulton County, Ga., investigation into efforts to reverse Joseph R. Biden Jr.’s victory within the state, lots of whom have discovered themselves on their very own, battling fees or tens of hundreds of {dollars} in authorized charges as witnesses.

Six Trump associates have been additionally named as unindicted co-conspirators within the federal case introduced by the particular counsel, Jack Smith, accusing Mr. Trump of plotting to overturn the 2020 election and thwart the lawful switch of presidential energy.

The diploma to which different defendants or witnesses may flip in opposition to Mr. Trump in any of the instances stays to be seen.

And there may be some risk that Mr. Taveras’s testimony could possibly be excluded from the labeled paperwork case Mr. Smith has introduced in opposition to Mr. Trump, Mr. Nauta and Mr. De Oliveira. Final month, Mr. Taveras’s former lawyer, Stanley Woodward Jr., requested Choose Aileen M. Cannon, who’s overseeing the matter in Fort Pierce, Fla., to strike Mr. Taveras’s account from the report, complaining that it had been improperly obtained via “potential grand jury abuse.”

Mr. Woodward, who represents Mr. Nauta, argued that after indictments are issued, grand jury proceedings can’t be used “as a subterfuge to put strain on a witness as a way to acquire data,” suggesting that had occurred to Mr. Taveras. Choose Cannon has not but dominated on his request, which prosecutors are preventing.

A spokesman for Mr. Trump declined to remark.

In keeping with folks aware of his function at Mar-a-Lago, Mr. Taveras hardly ever had contact with Mr. Trump. Due to that, folks round Mr. Trump profess to not be notably involved concerning the menace that Mr. Taveras’s testimony may characterize to the previous president regardless of his apparently damning secondhand account of Mr. Trump’s want to have the safety footage deleted.

Mr. Trump, Mr. Nauta and Mr. De Oliveira have all denied wrongdoing and pleaded not responsible. Their trial is scheduled to start in Could of subsequent yr.

For now, Mr. Taveras seems to be protecting a low profile, and has no plans to depart his job at Mar-a-Lago, in response to folks with data of his state of affairs.

A local New Yorker with a love of music, Mr. Taveras as soon as labored as a D.J. however got here to deal with computer systems. He has labored for Mr. Trump for 13 years, first in New York earlier than finally incomes a promotion, in response to an individual near him. His new place working the tech help division at Mar-a-Lago introduced him and his household to Florida in August 2019. They reside in a modest home in a gated neighborhood.

Mr. Taveras’s path from obscurity to the center of a federal case in opposition to a former president started on a Friday afternoon in late June of final yr. That day, prosecutors issued a subpoena to the Trump Group for months of safety footage from round Mar-a-Lago.

Quickly after, Mr. Nauta, Mr. Trump’s private assistant, and Mr. De Oliveira, Mar-a-Lago’s property supervisor, contacted Mr. Taveras.

“Hey bro you round this weekend,” Mr. Nauta texted to Mr. Taveras, who was certainly within the space entertaining household visiting from New York. Mr. De Oliveira then texted Mr. Taveras, telling him that Mr. Nauta “wants you for one thing.”

What they wanted turned obvious a couple of days later, when Mr. De Oliveira walked into the I.T. division’s basement work house, steps from the membership’s accounting division and different places of work, and requested to talk with Mr. Taveras someplace extra non-public.

In keeping with the indictment, which doesn’t identify Mr. Taveras however refers to him as “Trump Worker 4,” Mr. De Oliveira led him via a basement tunnel to a small room often called an “audio closet,” the place Mr. De Oliveira delivered a message from Mr. Trump: “the boss” wished the footage deleted. Mr. Taveras rebuffed the request, prosecutors stated within the indictment, however Mr. De Oliveira raised it once more.

“What are we going to do?” he requested Mr. Taveras.

Quickly after returning to his workplace, Mr. Taveras confided in a colleague, Renzo Nivar, what had simply occurred, in response to folks with data of what happened. And inside days, Mr. Taveras relayed the story to a superior in Trump Tower.

One govt in New York, Matthew Calamari Jr., the Trump Group’s company director of safety, apparently turned alarmed, in response to folks with data of the matter. He alerted the corporate’s authorized division, prompting a senior lawyer on the firm to ship a stern warning to not delete something.

Finally, the corporate handed over the footage, and the indictment doesn’t accuse anybody of deleting any tapes.

But Mr. Taveras’s testimony could possibly be essential to proving that Mr. Trump, Mr. Nauta and Mr. De Oliveira have been conspiring to impede the investigation.

At one level after the subpoena for the footage had been issued, a employee drained the pool on the membership, and it flooded the room housing the servers storing the surveillance footage, in response to an individual with data of what happened.

It was unclear whether or not that was intentional, and the servers weren’t broken, however the timing of the flooding raised sufficient concern that Mr. Calamari ordered the servers moved to a different location, in response to the particular person with data of the occasions. Mr. Taveras was conscious they have been moved, the particular person stated.

Prosecutors might additionally name on Mr. Nivar and Mr. Calamari to testify at trial.

And so they might search testimony from a former Mar-a-Lago worker referred to within the indictment as “Trump Worker 5.” In June of final yr, the indictment stated, that worker mentioned the footage with Mr. De Oliveira, who informed him that he wished to ask Mr. Taveras how lengthy Mar-a-Lago saved its surveillance tapes.