A serial robber’s attempt to have evidence against him suppressed because he was allegedly high on drugs when he confessed has been rejected.The trial against suspected robber Harold Dawson Delong Jr., 52, will go ahead as scheduled, according to Circuit Court Judge Bart Stanley. The judge denied an attempt by Delong’s defense to have evidence gained during his questioning thrown out.Delong is charged with robbing One-Stop Market and Northside Market on consecutive days and with the robbery of Perry’s Country Store. It was the One-Stop Market heist that led to his arrest as he was caught on surveillance camera.