WASHINGTON (AP) _ Whitewater prosecutor Kenneth Starr said in a sealed court motion that he wants to question a Secret Service attorney and two members of the Secret Service detail at the White House, CBS News reported Friday.

The network said it had obtained a copy of Starr's sealed court motion of a week ago seeking to compel members of the Secret Service to answer questions in the Monica Lewinsky investigation.

CBS said that Starr's 24-page motion seeks to question Secret Service attorney John Kelleher, because a member of the Secret Service had gone to Kelleher to discuss alleged White House sexual affairs.

According to CBS, Starr's motion says the member of the Secret Service who went to Kelleher refused to identify for Whitewater prosecutors someone who saw Ms. Lewinsky in the west wing of the White House. The Secret Service member also refused to identify someone who talked to him about an affair between Ms. Lewinsky and President Clinton, CBS quotes the motion as saying.

Messages left with the Secret Service were not immediately returned.

Two lawyers familiar with Starr's investigation confirmed this week that Whitewater prosecutors had questioned several uniformed Secret Service officers, but that there was a dispute over answering some questions.

The Justice Department and Starr's office are trying to work out a compromise.

Deputy Attorney General Eric Holder said possible compromises are ``only restricted to the creative abilities of the people who are in the process of negotiating.''

Holder confirmed that the Justice Department has defined a privilege that deals with Secret Service employees so that they would not have to answer certain questions that touch on the area of protecting the safety of the president.