During his retirement at a monastery in Avila he was so afraid of being poisoned that he supposedly 
During his retirement at a monastery in Avila he was so afraid of being poisoned that he supposedly kept a unicorn's horn handy as an antidote. Soon after his promotion to prior of Santa Cruz monastery he became confessor to Queen Isabella of Castille. He later staged the sham "LaGuardia" trial of eight converted Jews who were accused of crucifying a Christian child and burned at the stake, which encouraged the expulsion of the Jews from Spain. FTP name this First Grand Inquisitor.
During his retirement at a monastery in Avila he was so afraid of being poisoned that he supposedly kept a unicorn's horn handy as an antidote.