Justin agreed, telling his parents he was attending a computer convention with a friend.
When he arrived in Las Vegas, he was repeatedly sexually molested by the man who had lured him there.
He says his father helped by finding women to sleep with him.
"It's disappointing to think that your own dad would do that," Justin says looking back.
Evangelist Franklin Graham prayed on a sidewalk outside the Pentagon Thursday after his invitation to a prayer service inside was withdrawn because of comments that insulted people of other religions.
Despite death threats, 19-year-old Justin is appearing on The Oprah Winfrey Show to reveal the secret world of online child webcam pornography.
Justin, who also turned down a lucrative book deal to appear on the show, hopes his decision will help children around the world.
Instant messages immediately started popping up on his computer.
Karen thought her son was having trouble making the transition to high school.
She didn't suspect Justin was at risk on the Internet because she had purchased child protection software for his computer—a measure Justin proved ineffective.
After the truth was out, Justin says his father didn't stop him from producing pornographic material..actually offered to help "maximize the earning potential," Justin says.
Justin says that with his father's assistance, he created his most sophisticated website yet.