The former Hillsdale teacher charged in Ashland County with five counts of voyeurism was found guilty on all counts Monday. 29 year-old Robert Altenburger was found guilty in Ashland County Municipal court on five misdemeanor counts of voyeurism. Altenburger will be sentenced on January 14th, after a hearing is held so the victims and their families can make statements in court, as well as Altenburger. Altenburger could face a maximum of 18 months in jail.