He’s Wanted in a 1970 Bombing. The F.B.I. Aged His Photo to Seek Tips.
New York Times
The suspect, Leo F. Burt, has evaded capture since the anti-Vietnam War bombing at the University of Wisconsin, which was considered the largest act of domestic terrorism at the time.
https://www.nytimes.com/2023/09/04/us/leo-burt-fbi-bomber.html