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 from Hewell Grange, to dry out. A stray spark landed on the powder, and Rookwood, Catesby, John Grant and another man were caught up in the resultant conflagration. Rookwood and Catesby were described as "reasonably well", but Grant was blinded. Several of the conspirators disappeared into the night, but Rookwood, Catesby, the Wright brothers, Percy and Grant stayed on. They didn't have long to wait; by 11:00 am the next day the house was surrounded by 200 of the Sheriff of Worcester's men. In the ensuing battle, Wintour was shot in the shoulder. John and Christopher Wright were each killed.