Wright Township, Luzerne County-- 46 year old David Zarn of Wright Township was charged Wednesday with sexually molesting two girls, ages 14 and 16, over a period of six years. Investigators say they learned of the alleged abuse after one of the girls texted her boyfriend and told him about the alleged abuse. The mother of the boyfriend saw the texts and called police. Detective Chaz Balogh said, "I give these girls alot of credit for showing the courage to come forward. Our investigation is ongoing." Zarn said nothing as he left District Court in Wright Township flanked by his lawyer and family members. He faces at least 20 years in prison if convicted. He is free on $50,000 bail.