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
Robert Catesby the meeting is weighted with hindsight (when captured he sought to distance himself from the affair), he asked Catesby what support for the Catholics would be forthcoming once the king had been killed. Catesby's answer, "The necessity of the Catholics [was such that] it must needs be done", in Fraser's opinion demonstrates his unwavering view on the matter, held at least since his first meeting with Thomas Wintour early in 1604. The final conspirator to be brought in was Everard Digby, on 21 October, at Harrowden. Catesby confided in Digby during a delayed Feast of Saint Luke. Like Rookwood, Digby