Three people are in jail, accused of running a cocaine and heroin ring in Rangeley. State drug agents arrested 31-year-old Tyler McFarland of Gray, 23-year-old Jami Driscoll of Auburn and 33-year-old Michael Chandler of Philadelphia Monday.They’re all charged with trafficking in heroin, with more charges expected. Drug agents say they’ve been investigating a drug operation in Rangeley for several months. They say they got a tip over the weekend that Chandler was delivering a shipment of cocaine and heroin from Philadelphia.Agents searched a home on Main Street and a local motel. We’re told they seized $8,200 cash, 157 bags of heroin, 20 grams of crack, as well as cocaine and prescription drugs.The drugs have a street value of about $10,000. McFarland was on probation for a baseball attack on a man in Gray in 2007. He’s also been convicted of robbery, burglary, aggravated assault. The trio’s in the Franklin County jail. They’re expected to make their first court appearance Wednesday.