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
Ambrose Rookwood left the previous day to prepare the uprising, and told him what had happened in London. The group, which now included Catesby, his servant Thomas Bates, both Wright brothers, Percy and Rookwood, rode on to Dunchurch. While Fawkes was being tortured, on 6 November the government began to round up anyone they thought might be involved. Rookwood's servants, still in the house their master had so hastily departed, were questioned on the same day. His belongings at Clopton—including several incriminating Catholic symbols—were also taken, and by the time the plotters had reached Catesby's family home at Ashby St Ledgers, Rookwood's