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 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.