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 name was among the list of suspects drawn up by the Lord Chief Justice. The fugitives continued on to Dunchurch, where they met the recently recruited conspirator Everard Digby, with his hunting party. The next day the group stole horses from Warwick Castle, although with his fine cortège, Rookwood avoided the town. They then collected stored weapons from Norbrook, and continued on to Huddington. The party tried in vain to expand their number, but were shunned; no one was prepared to risk being labelled a traitor. Father Garnet, contacted at Coughton Court by Bates, wrote Catesby a letter in which