New Jersey officials have arrested a fourth-grade teacher for allegedly sexually assaulting one of his young students and claim the crime was committed inside his own classroom - with a second student present. Paul Yang, 32, who lives in Leonia, was arrested by officers on Wednesday, December 3, following an investigation by the Passaic County Prosecutor's Office's Special Victims Unit. According to a statement from Passaic County Prosecutor Camelia M. Valdes, detectives first received a tip about a possible child assault in Paterson back on October 22.