HOLLIDAYSBURG — A Blair County jury took about a half hour Friday to convict an Altoona man of selling heroin and related charges, despite his insistence that he is not a drug seller. David John Stepp, 43, told the jury that he was set up by a confidential informant who was trying to help himself by working with police. Despite his stance, Stepp expressed no surprise that the jury rendered guilty verdicts on charges of possession with intent to deliver heroin, delivery of heroin, criminal use of a communication device and possession of heroin. “I figured I would get ...