The Illinois Democrat once lauded as the longest-serving legislative leader in U.S. history has been found guilty of some charges in a mixed verdict at his federal corruption trial in Chicago

Michael J. Madigan, a formidable force in the state’s politics for decades, faced federal charges of racketeering, bribery and conspiracy.

Mike Madigan, a former state Democratic Party chair, had been the longest-serving chamber leader in U.S. history. A jury has found him guilty of multiple counts in a wide-ranging bribery scandal.