carl ferrer has turned down several of our interview requests. to this hotel because we found out there's a conference that carl is scheduled to attend. it turns out he's an active member of the kclassified ad industry. >> it's a chance to share ideas. >> reporter: he attends a networking conference every year. it doesn't take long before we spot him. carl ferrer? >> yes. >> reporter: we've been looking for you. i'm with abc news. we want to ask you a few questions. law enforcement tells us that underage girls are trafficked on backpage.com, your company. >> no comment. >> reporter: we saw a real life example last week. >> please, i'm sorry. >> reporter: we spoke to a father who has a 15-year-old girl. she was trafficked on back page. >> i am sorry. >> reporter: you're a father. what would you want to say to him? he wants to know why this is going on. we just need a few minutes of your time. initially when he saw us he said hello, how are you? as soon as we brought up law enforcement and the underage trafficking of young girls, he said he didn't