The St. Charles cable repairman on trial for burglary and the sexual assault of an O’Fallon MO woman is going to prison. A St. Charles County jury found twenty-two year-old James Helderle guilty of first-degree burglary, forcible sodomy, and armed criminal action. Helderle was working as a cable repairman for C.U.I, a sub contractor of Charter Communications when he went to an O’Fallon MO woman’s home for a routine service call. He came back the next day and committed the crimes. Sentencing is set for today.