Less than 12 hours after he witnessed Jerry Sandusky with his arms wrapped around a young boy, molesting him in a locker room shower, Mike McQueary says he went to Joe Paterno's home, sat at his kitchen table and told him he'd seen something "way over the lines and extremely sexual in nature."

Tim Curley and Gary Schultz preliminary hearing 35 Gallery: Tim Curley and Gary Schultz preliminary hearing

That was McQueary's testimony at the

investigating sex crimes by Sandusky.

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McQueary never used the terms rape, sodomy or anal sex, he testified, even when he sat down with ousted athletic director Tim Curley and vice president Gary Schultz.

But he did go into graphic detail, he said.

"I would have said that Jerry was in there in very close proximity to a boy with his arms wrapped around him. I said I heard slapping sounds. I described it was extremely sexual and that some kind of intercourse was going on," he said.

McQueary is now being cross-examined by defense attorneys.

"There's no question in my mind that I conveyed to them that I saw Jerry in the showers and that it was severe sexual acts and that it was wrong and over the line," he said.

As part of his direct testimony, he said Curley and Schultz assured him they would investigate, and four days after meeting with the pair, Curley called to tell him Penn State had alerted Sandusky's charity, The Second Mile and had told Sandusky not to bring children to campus.

McQueary said he never saw Sandusky with a child on campus after that, but did see Sandusky alone.

"I personally found it troubling and not right," he said.

Paterno also asked him several months later if he was OK, McQueary said.

"Coach Paterno did ask me … two or three months after that… if I was OK in relation to what I saw and if I was handling it OK," he said.

McQueary said Paterno appeared distraught the morning he visited his home to tell him what he'd seen in the shower. Paterno immediately told him he would have to talk to others at Penn State.

McQueary made the decision to tell Paterno after consulting with his father the night before, he said.

"I got up the next morning early and called (Paterno's) house and told him I needed to see him," he said. "He said, I don't have a job for you and if that's what it's about, don't bother coming over, and I said coach it's about something much more serious. I need to come over and see you."

"I went to his house and sat at his kitchen table and told him I saw Jerry with a young boy in the shower. That it was way over the lines and extremely sexual in nature," McQueary testified. "The rough positioning I described but not in much detail.

"(Paterno) was slumped back in his chair, he said well I'm sorry you had to see that. It's terrible. I need to think and tell some people about what you saw and I'll let you know what we'll do next."

Paterno also told him he did the right thing, he said.

Curley and Schultz are charged with failing to report the incident to police, then lying about what McQueary told them when they testified in January before a grand jury.

Paterno, along with former president Graham Spanier, lost their jobs five days after Sandusky was charged.

McQueary's testimony today is his first public account of what happened.

This story has been updated from an earlier version.