An investigatin is underway into the North Carolina men's basketball team and possible improper conduct by members of the team in the wake of the drug arrest of a teammate. Athletic director Bubba Cunningham says the school is gathering information after the drug arrest of leading scorer P. J. Hairston. The school started gathering information after Hairston wa arrested in June during a license checkpoint and charged with misdemeanor marijuana possessioin. He was driving a rented vehicle linked to a convicted felon facing pending drug charges. Hairston is scheduled for an August court hearing.