听力原文： A worldwide appeal to find a man suspected of sexually abusing young boys in Southeast Asia has led to his arrest in the United States.Interpol published photos of the man showing him abusing the boys. Within 48 hours, three people had identified him as Wayne Corliss. He was arrested in his apartment in New Jersey. An Interpol statement said he confessed to police. Interpol Secretary General Ronald Noble told the BBC how they were, able to track him down so quickly. 'We received approximately 640 leads or further inquiries of one sort or another within the first 24 hours.From those leads, we were able to identify one lead immediately that included the stage name of the person who has now been arrested, a photograph and his bio.' Said Ronald Noble. How many people recognized the man in the pictures within 2 days?