. >> reporter: the plug has been pulled for now on assistant professor nathan maxton, teaching career in music now on hold. according to his arrest affidavit per fetzer mattson went online thursday to a website known by law enforcement advertised under a prostitute. mattson communicated with a man about having a 30 minute sexual encounter with the man's 14- year-old stepdaughter named for $140. i tried to track down someone who knows mattson and no one answered the door. but his neighbors had plenty to say. >> people have keys around here and a think we should be aware of what is going on. >> when mattson went to hook up with josie in an rv park he brought three condoms. that is when he learned he had been communicating with an undercover federal agent. >> what kind of background check did you do. >> i call the university of tampa to see why mattson was entrusted to teach students. a spokesman said he cleared a round of extensive background checks. >> when you think about if that was your child and you had somebody like that teaching your child, unprofessional. you don't do that kind

. >> reporter: the plug has been pulled for now on assistant professor nathan maxton, teaching career in music now on hold. according to his arrest affidavit per fetzer mattson went online thursday to a website known by law enforcement advertised under a prostitute. mattson communicated with a man about having a 30 minute sexual encounter with the man's 14- year-old stepdaughter named