For months, Mueller has been seeking to interview the president.
A spokesman said investigators were seeking to interview witnesses who had been in the tunnel.
It is still seeking to interview him on one outstanding allegation of rape.
NBC was one of many news organizations seeking to interview Mr. Lay and his family.
Holly Paz, an I.R.S. official whom the House committee is seeking to interview, assisted with the inquiry.
As of this writing, the department is seeking to interview Smollett again; he has hired a criminal defense attorney.
Authorities were also seeking to interview Katherine Russell Tsarnaev, Tamerlan's American wife, according to the family lawyer, Amato DeLuca.
Yesterday the police were seeking to interview the drivers of three vehicles seen near the accident site.
F.B.I. agents and detectives had identified and were seeking to interview the owner of the Pathfinder, which was traced to Connecticut.
When a question came from a group of people identifying themselves as reporters, seeking to interview her, she replied: "No please leave me alone.
For the documentary, Bonner and Gibney are seeking to interview former FBI Special Agent Ali Soufan, who was the FBI's lead interrogator of Zubaydah.
