I can't say about other states, but in Michigan it was --- Republican Gov John Engler --- in 1997.
https://www.cbsnews.com/detroit/news/state-of-mental-health-care-in-michigan/
This time on Nashville.
6 killed, 3 were children just 9 years old.
When will the rabid right join the rest of the civilized nation and say, Enough is Enough.