Top athletic officials at the University of Wisconsin-Madison were shocked when allegations of sexual impropriety surfaced against a then-assistant athletic director, according to an investigative report released Friday. Athletic director Barry Alvarez and coach Bret Bielema never had reason to suspect John Chadima of sexual impropriety, abuse of power or alcohol abuse, the report quoted them as saying. Chadima was suspended and resigned in January after a male student employee accused him of sexual assault at a pre-Rose Bowl party in December. Friday's report details similar allegations from two more people -- a former Wisconsin football player and another former male student worker. Read more: http://espn.go.com/college-football...bielema-shocked-john-chadima-case-report-says