Update (10/20/2015): The Allegheny County District Attorney’s office dropped all charges against Coughenour after video surfaced that showed the student somewhere else at the time of the attack. By Kaye Burnet | News Editor A 61-year-old Duquesne graduate student in the business school is facing sexual assault charges for allegedly attacking a pregnant woman near the Liberty Bridge Tuesday night, according to a criminal complaint. Police … Continue reading Duquesne student arrested for sexual assault of pregnant woman