Torchwood Institute by sectioning any journalists who threaten to expose the truth, and via the use of memory-altering drugs. Following a major incident which led to the destruction of Torchwood One, Jack Harkness rebuilds Torchwood to become less confrontational and more secretive in honour of the Doctor. The name "Torchwood" is an anagram of "Doctor Who", with which tapes of series 1 of the "Doctor Who" TV series were labelled to prevent the footage from being leaked. While writing "Doctor Who" series 2, head writer and executive producer Russell T Davies established the word "Torchwood"—which was the name of an institute previously
Torchwood England's capital city of London, its membership declining and the organisation thoroughly broken over the course of the serial. Series four starts with Torchwood fully disbanded. Jack has left Earth after the events of series three, and Gwen has retired to be with her family. The group is then unofficially reformed, this time operating primarily in the United States, joined by two fugitive CIA agents who have been framed for treason. Unlike its parent programme, "Torchwood" centres on a team instead of a single character with companions. The show initially depicts a small team of alien-hunters known as Torchwood Three,