When the authorities executed a search warrant last month at the home of Jeremiah Reichberg, a Brooklyn businessman arrested in a federal corruption investigation, they noticed one of Mr. Reichberg’s family members trying to leave the house carrying various items, a prosecutor told a federal judge on Tuesday.
Among the items, said the prosecutor, Martin S. Bell, were electronic devices, thumb drives, smartphones, data-containing disks and business cards, which related to people currently and formerly at the New York Police Department and elected officials in local politics.
Mr. Bell, speaking at a hearing in Federal District Court in Manhattan, did not elaborate on the significance of the business cards and other materials seized in the search. The comment came as he described the case against Mr. Reichberg and his co-defendants — two former New York commanding officers who were also arrested last month in the continuing investigation.
But his statements offered a glimpse at some of the evidence that is under review in the case, in which prosecutors have said Mr. Reichberg and another man provided gifts to the two former commanders in return for illicit favors.
The three defendants — Mr. Reichberg, former Deputy Chief Michael J. Harrington and former Deputy Inspector James M. Grant — pleaded not guilty last week to charges that included conspiracy to commit honest services wire fraud and conspiracy to pay and receive bribes.
The prosecutor, Mr. Bell, also told the judge, Gregory H. Woods, that the Federal Bureau of Investigation would be running a “data extraction and analysis” on the various devices and computers recovered during the search at Mr. Reichberg’s home.
Mr. Reichberg’s lawyer, Susan R. Necheles, said after the hearing that although Mr. Bell’s statements “were deliberately sensationalist, I am confident that none of the evidence seized by the F.B.I. will establish that Mr. Reichberg committed a crime.”
Although Mr. Reichberg is one of two businessmen at the center of corruption investigations that are focused on fund-raising and Mayor Bill de Blasio and his close associates, there has been no suggestion that Mr. de Blasio, a Democrat, was involved in the graft and bribery allegations at issue in the court case.
The other businessman, Jona S. Rechnitz, has pleaded guilty to conspiracy and is cooperating with the authorities.
Mr. Bell, in response to questions posed by the judge, said that although there was always the chance that the government could bring a superseding indictment, which would add new charges or defendants, “nothing is imminent,” he said.
Mr. Reichberg’s lawyer, Ms. Necheles, made it clear in court that the defense planned to use a United States Supreme Court decision handed down last month that overturned the conviction of former Gov. Bob McDonnell of Virginia to challenge the corruption charges against their clients.
“The state of the law is totally in flux,” she told the judge. She added that the McDonnell ruling had redefined the “whole area of honest services fraud” and the meaning of “an official act.”
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