By the early 1590s , he was convinced that Scottish witches were plotting against him .
King James I , who came to the English throne from Scotland in 1603 , had a keen interest in witchcraft .
By the early 1590s , James I was convinced that Scotland witches were plotting against James I .
King James I , who came to the English throne from Scotland in 1603 , had a keen interest in witchcraft .