Mr. Siben declined to comment on Katie's testimony about her imprisonment.

Vincent declined to comment on his testimony other than to say it lasted about an hour.

Dr. Carmona, speaking to reporters after his appearance, said he would not comment on his testimony.

But people are not necessarily commenting on his testimony.

Neither Mr. Veneziano nor the doctor would comment on her testimony.

Mr. Bolton declined to comment or elaborate on his planned testimony.

Conseco declined to comment on her testimony.

He refused to comment on the statement or his future testimony at the three-year-old Saville Inquiry, which has been investigating the events of that day.

They all declined to comment on their testimony, and federal officials have refused to discuss the grand jury or the scope of its proceedings.

They all declined to comment on their testimony, and federal officials have refused to discuss the grand jury proceedings, as is standard.