Your own sword hath detoured your prophets - An allusion probably to Manasseh 2 Kings 21:16. Death was the usual fate of the true prophet Nehemiah 9:26; Matthew 23:37.
Related Commentaries of Jeremiah 2:30
Jeremiah 2:30
30 In vain have I smitten your children; they received no correction: your own sword hath devoured your prophets, like a destroying lion.