On February 18, 2010, 14 years ago, Joe Stack, 53, deliberately crashed his private plane into a building that housed offices of the I.R.S., in Austin, Texas. Stack had been arguing for years with the I.R.S., at the time of the crash. He, along with an I.R.S. manager, were the only fatalities.
https://youtu.be/NEl6t2zHtv0?si=CZfvoKZXk9qaYOxE