A tall man with long grey hair falling untidily over the collar of his dark blue suit leaned against the parapet eating an ice cream. Although impeccably dressed, he was palpably all wrong, and the two policemen looked at each other with pleasent anticipation. 'Drugs?' suggested the first policeman. 'More like dirty books,' said the other. 'If he's armed, it's my turn.' 'It's always your turn,' grumbled his companion. The first policeman shrugged his shoulders. 'Oh, all right then,' he said. 'But I get to drive back to the station.'