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 of stuff. wrestler hulk hogan back on the stand today for day to in the civil trial where he is suing gawker website for $100 million. jennifer titus has been in the courtroom all day and joins us live with the latest. >>> hogan said he spent the day on the sand and the defense questioning him trying to paint a picture that terry bollea known as former professional wrestl

mattson responded. he was talking to an undercover he wanted to engage in quote back door water sports with the girl, always using protection. agents say when he showed up he was nervous and brought condoms. now people like rick hopes something good comes out of this arrest. >> my girls mean the world to me. i can't imagine them involved in any type of incident like this. but, again, i know it does happen. and i do hope that it creates awareness. >> reporter: in tampa, clifton french, abc action news. >> mattson will be allowed to go back to his apartment with gps monitoring. he cannot have unsupervised contact with children. you must stay off the internet and will have a curfew. the university has put him on administrative leave. >>> now to a story that we brought you through breaking news. lakeland police are looking for a suspect in a shooting that etta street. blake academy and dixie land and southwest elementary school were locked down. all students were allowed to leave at the normal dismissal tim

we talked to one man who used to play with mattson. here is what he had to say. >> i'm extremely disappointed. i think he served as a mentor to a lot of students. i had a lot of respect for him. as a community leader, i feel it's disappointing. >> reporter: mattson has a hearing today in federal court. coming up at 5:00, we will explain what happened inside. for the new tampa bay, i'm >>> in the last hour on the stand in the hulk hogan sex tape case against gawker, they just got back from a break. before that jurors heard the deposition of the man who gave gawker that sex tape he is suing over. they just entered a news segment into evidence, going into the history of gawker and the founder nick denton. he says his only role is when he started the website is that nothing was off limits. before a lunch, hogan was on the stand for a second day attorneys. he is suing the website for publishing a sex tape. gawker attorneys point out that hogan was not shy about talking about his size of -- well, you know. the tan line on his rear end, virgi

mattson communicated with a man about having a 30 minute sexual encounter with the man's 14- year-old stepdaughter named

roger mattson who's going to do our next presentation. now, doctor roger madsen is the author of the recently published book stealing the bomb, how denial and deception armed israel. we will take questions a bit. can we get a question card over to this guy with his hand up? we will be collecting those and bringing them up. had a q&a at the end. dr. roger mattson has expensive engineering management at sandia's national editor, the nuclear regulatory commission, environmental protection agency and other nuclear safety and security consultancy. he was an adviser to commissioners on policy issues such as safety goes, risk assessment, nuclear standards, three mile island and after leaving government service in 1984 he led to private companies providing safe and secure service for nuclear power plants. the energy department nuclear facilities and civil for users of nuclear power. following the chernobyl incident in 1986 he of developed iata guidance on safety principles for the world to nuclear power plants. he oversaw nuclear safety consultan