South Korea’s top court has overturned the conviction of a drug suspect who submitted another person’s urine to dodge a narcotics test, ruling the police acted unlawfully and the suspect cannot be punished. The Supreme Court sent the case back to the Seoul Eastern District Court, overturning a lower court decision that had sentenced the defendant to 10 months in prison on charges of obstruction of official duties by deception, according to legal sources on Wednesday. The suspect was accused of i