 The Millbrook residents were a tight-knit group whose goal was to discover and cultivate the divinity within each person, and they regularly took high doses of LSD in group sessions.Leary was arrested in December 1965 for possession of marijuana.On September 19, 1966, Leary reorganized the IFIF/Castalia Foundation under the nomenclature of the League for Spiritual Discovery, a religion with LSD as its holy sacrament.