A Pennsylvania teenager is facing a number of charges, including involuntary manslaughter. This after a month-long investigation into a drunk driving accident in Susquehanna County. Just past four in the morning on August 23rd police say 21-year-old Shannon Schuler died when a car she was a passenger in left the road and struck a tree. It happened on state route 374 in Lenox township. On Wednesday police arrested the driver of the car, 19-year-old Derreck Anderson. he's charged with homicide while driving under the influence, homicide by vehicle, and other charges. He's in jail on $100,000 cash bail. He has a preliminary hearing on Monday.