Mad Men star was charged with assault for 1992 hazing incident . Allegedly viciously beat pledge for the Sigma Nu fraternity at UT-Austin . Hamm and other frat brothers put pledge through humiliating initiation . Allegedly struck him with a paddle 30-times and set fire to his pants . The alleged victim 's mother called the police and arrest warrants issued . Hamm had a summons issued to him after he left UT-Austin in November 1990 . The incident led to the permanent closure of the Sigma Nu fraternity .
Mad Men star was charged with assault for November 1990 hazing incident . Allegedly viciously beat pledge for the Sigma Nu fraternity at UT-Austin . Hamm and other frat brothers put pledge through humiliating initiation . Allegedly struck him with a paddle 30-times and set fire to his pants . The alleged victim 's mother called the police and arrest warrants issued . Hamm had a summons issued to him after he left UT-Austin in 1992 . The incident led to the permanent closure of the Sigma Nu fraternity .