Vivien Rook
From Tardis Wiki, the free Doctor Who reference
Vivien Rook was an agent for the Torchwood Institute. She turned up at 10 downing street claiming to be a reporter for the Daily Star and she requested an interview with Lucy Saxon. She told Lucy the truth about Mr Saxon's true life style she said he was only in existence since Harriet Jones had a downfall. Lucy Saxon knew about Mr Saxon's true identity and intentions, Mr Saxon came in and ordered the Toclafane to kill her. (DW: The Sound of Drums)