Robert and Thomas Wintour is written about the Gunpowder Plot is derived from Thomas's confession, signed on 23 November 1605; details of the so-called Spanish Treason were added three days later. One of only two confessions printed in the "King's Book" (a highly partial contemporary account of the affair), Thomas Wintour's was the only account the government had of a plotter who had been involved from the beginning; Guy Fawkes, weakened by days of torture, may have been at the heart of the group, but he was not at its first meetings. However, Antonia Fraser views the document with suspicion, not least because Thomas's
Robert and Thomas Wintour Percy, it was for the latter that the government's first arrest warrant was issued. Thomas guessed as much, and told Wright to go to Percy and "bid him begone". As the rest of those conspirators still in London fled the city, undaunted, he went over to Westminster to try and discern what he could. In author Alan Haynes's opinion, this demonstrated an impressive degree of trust in Fawkes's ability to confound his interrogators, but when Thomas heard for himself that the treason had been uncovered, he left for Huddington, stopping at his sister's house in Norbrook along the way. The