While at the Memorial Coliseum last night, police officers saw the manager of Stone City Attractions, Inc., Jack Orbin, chasing a young man with long black hair. Orbin told policemen that the subject, who was running south on Water Street, had stolen approximately 500 general admission tickets from the coliseum box office. The tickets sold for $5 a piece. An officer began pursuing the thief but lost him near Furman and Broadway Streets. A short time later, security personnel talked to a young man selling some of the stolen tickets, who said a young man with long black hair had just sold him 10 tickets for $5. Police did