At a closed briefing in 2003, the chairman of the Senate Intelligence Committee raised no objection to a C.I.A. plan to destroy videotapes of brutal interrogations, according to secret documents released Monday.

The senator, Pat Roberts, Republican of Kansas, also rejected a proposal to have his committee conduct its own assessment of the agency’s harsh interrogation methods, which included wall-slamming and waterboarding, the documents say.

But Mr. Roberts, through a spokesman, denied having approved the destruction of the videotapes, which is under criminal investigation, and defended his record in overseeing the interrogation program....

In November 2005, after nearly three years of internal debate, the agency destroyed 92 videotapes of interrogations of two people suspected of being terrorists, Abu Zubaydah and Abd al-Rahim al-Nashiri....