He cut himself off from the Spirit of God. Whether or not we get around to holding a court doesn't matter that much; he has cut himself off from the Spirit of the Lord.
Source, in full
Conversation with President Boyd K. Packer of the Quorum of the Twelve driving back from Arizona and talking about a man who destroyed the faith of young people from the vantage point of a teaching position, but who had not yet been formally excommunicated. Reported in The Mantle Is Far, Far Greater Than The Intellect, a talk given by Pres. Packer at the Fifth Annual Church Educational System Religious Educators' Symposium, 22 August, 1981, Brigham Young University, Provo, Utah. For an official transcript see Brigham Young University Studies, Summer 1981.