karl ferrara is an active member of the classified ad industry. he attends a networking conference every year. it dent take long before we spot him. >> karl ferrara? hi, we've been looking for you. do you have a second? i'm gloria riviera with abc news. >> yeah? >> we want to ask a few questions. >> oh, i'm -- >> law enforcement tells us that underage girls are trafficked on backpage.com, your company. >> no comment. >> we saw a real-life example of this last week -- >> i'm sorry. >> you're a father what would you want to say to him? he wants to know why this is going on. >> please -- >> initially when he saw us he said hello, how are you? as soon as we brought up law enforcement and the underage said he didn't want to talk to us. but now he's facing even tougher questions. the california investigation found that backpage committed a crime by earning revenue from prostitution. and soliciting clients. and because of his alleged role, ferrara faces up to 22 years behind bars. his defense attorney says he's looking forward to his day in court. >> mr.