Robert and Thomas Wintour the continent and again failed to elicit Spanish support, but instead met Guy Fawkes, with whom he returned to England. Robert, a devout Catholic who inherited Huddington Court near Worcester, joined the conspiracy the following year. The plot began to unravel following the delivery of an anonymous letter to William Parker, 4th Baron Monteagle, warning him to stay away from Parliament. Thomas and Catesby confronted Monteagle's brother-in-law, the recently recruited Francis Tresham, threatening to kill him, but Tresham managed to convince them of his innocence. At that stage Thomas reportedly asked Catesby to abandon the scheme, to no avail. When
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