The cable news network’s top-rated anchor was an intimate adviser to Andrew Cuomo in the last 18 months of his governorship.

The star CNN anchor Chris Cuomo was suspended indefinitely by the network on Tuesday after new details emerged about his efforts to assist his brother, Andrew M.

Chris Cuomo had previously apologized for advising Andrew Cuomo’s senior political aides — a breach of traditional barriers between journalists and lawmakers — but thousands of pages of evidence released on Monday by the New York attorney general, Letitia James, revealed that the anchor’s role had been more intimate and involved than previously known.

“When Chris admitted to us that he had offered advice to his brother’s staff, he broke our rules and we acknowledged that publicly.

However, these documents point to a greater level of involvement in his brother’s efforts than we previously knew.

Cuomo’s entanglement with the last 18 months of his brother’s governorship has proved a slow-moving headache for CNN, which had stood by its top-rated anchor even as a drip of uncomfortable revelations raised questions about the network’s adherence to journalistic standards.

Cuomo for months, declining to discipline him even after reports showed that the anchor had participated in strategy sessions with his brother’s political team, a breach of basic reportorial conduct.

Cuomo his brother’s inner circle, he repeatedly offered advice — “Please let me help with the prep,” he texted a senior aide in March — and made efforts to track down the status of pending articles at other news outlets, including Politico and The New Yorker, that concerned allegations of sexual harassment by Andrew Cuomo.

DeRosa sent a few days after a woman, Anna Ruch, told The New York Times that Andrew Cuomo had made an unwanted advance toward her at a wedding in New York City.

Chris Cuomo later told investigators that he had heard from a friend that “maybe she had been put up to it,” referring to Ms.

He said that Andrew Cuomo’s aides had disabused him of that notion and that he had set his friend’s claim aside.

Cuomo’s actions and the lack of discipline that he faced from the network.

(In May, CNN did call Mr. Cuomo’s actions “inappropriate.”) Several employees said in interviews on Tuesday that Ms.

Cuomo’s actions had “put us in a bad spot,” adding, “I cannot imagine a world in which anybody in journalism thinks that that was appropriate.”.

“I certainly understand the love that Chris has for his brother, and I have a brother and I get it, but that was not a fun day,” Mr.

Cuomo told viewers, in his first public comments after Andrew Cuomo’s resignation.

Andrew Cuomo’s behavior while in office and potential abuses of power by Mr.

Cuomo’s administration “materially misrepresented” the extent of deaths that occurred in nursing homes in the early months of the pandemic, according to the report.

Cuomo used state workers to produce his pandemic memoir, and one assemblyman said that it would be “reasonable” to infer a connection between the $5.1 million book deal and the manipulation of nursing home death data.

Cuomo in mid-March to ask if he knew the status of an article about his brother by the New Yorker investigative reporter Ronan Farrow.

But he faced early pushback from media critics after twice interviewing his brother on CNN, including a call-in segment after Andrew Cuomo’s inclusion in People magazine’s “Sexiest Man Alive” issue.

Cuomo said