Brian Friedkin

Brian Friedkin was a High ranking member of the CIA. For years, he had been recieving orders from someone who he didn't know, on one phone. ShortLy after Miracle Day he was ordered to have anybody with knowledge of Torchwood to be killed. He ordered Lyn Peterfield to poison Captain Jack Harkness, but Jack was given a cure to the poison and survived. (TW: Rendition)

Rex Matheson later forced Friedkin to tell him who he was working for, and what he new about the Miracle. Friedkin gave Rex his phone, his only means of contact with those who gave him his orders. (TW: Dead of Night)