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Speaking to ABC News' Good Morning America on Friday, her identity concealed, the mother said: "I want justice. I want him to be locked up.
"There's no help for someone who does this. Not like this. He needs to be put away. He needs to be put away for a long time."
'Multiple threats' She said she had asked her son why he did not inform her earlier and he replied: "'Well, I didn't know what to do? you just can't tell Jerry, no.'"
She said the right action had been taken against Mr Paterno and other Penn State officials who are accused of failing to notify the authorities.
"There's got to be some moral bearing, in my opinion. Yes, they all needed to be gone," she said.
Court papers, which refer to her son as Victim 1, describe how Mr Sandusky met the boy in 2005 when he was 11 or 12 through a charity for vulnerable children which the former coach had founded.
According to
grand jury testimony, Mr Sandusky "indecently fondled Victim 1 on a number of occasions, performed oral sex on Victim 1 on a number of occasions and had Victim 1 perform oral sex on him on at least one occasion".
Texas prosecutors say they are looking into possible abuses that took place in 1999, when Mr Sandusky travelled there to see the Penn State team play.
A 27-year-old man identified as Victim 4 told the Pennsylvania grand jury that Mr Sandusky had threatened to send him home from Texas when he resisted the coach's advances.
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