(Preble County, OH)--An alleged Preble County drug trafficker was behind bars Tuesday morning.  A deputy noticed a suspicious vehicle in Sugar Grove Cemetery on State Route 503 north of West Alexandria.  The deputy noticed several criminal indicators with two adults inside.  A search turned up 30 grams of meth, baggies, and scales.  35-year-old Brett Marker of Eaton was taken into custody.  The other occupant was not charged.