The mother of the boy who triggered the investigation to Jerry Sandusky’s alleged child sex assaults said that her son felt that he couldn’t say ‘no’ to the former Penn State football coach.

The mother of the boy, who is referred to as Victim 1 in court papers, told Good Morning America, host George Stephanopoulos, that after she told him they should have reached this conclusion earlier and that he should have told her sooner, he replied, “Well I didn’t know what to do…you just can’t tell Jerry no.”

Back in 2005 when Victim 1 was 11-years-old, the coach Sandusky, now 67, would have the boy stay at his home when he coached the Second Mile program, which the Sandusky founded for at risk youth, ABC News reported.

The grand jury investigation says that 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."

In the interview the boy’s mother said that her son started to act violently and getting himself grounded which would prevent him from seeing Sandusky and at one point she said her son asked her how to look up information on sex offenders.

The mother feeling as if he was trying to tell her something continuously asked the boy if there was something that he needed to tell her, but it took a while before the boy even said that he had felt ‘uncomfortable’ with Sandusky.

"[I] proceeded to ask him if there was something he needed to tell me, if there was something going on … it wasn't 'til a month later when he indicated he was uncomfortable with leaving the school with him, and [Sandusky] pulling him out of classes at school," she told Good Morning America.

Sandusky, although he said he would resign at the end of the season, was fired and he was arrested last week on 40 counts of molesting eight boys over a 15-year period.

According to the grand jury presentment, the coach had access to the Clinton County high school that Victim 1 attended because he volunteered at the school’s varsity football program. The grand jury presentment says that Sandusky often had unmonitored meetings with the boy and on one occasion a school wrestling coach witnessed inappropriate touching between the two in a weight room.

When the mother expressed her concerns to the school and learned that inclinations were made but not reported she was “infuriated.”

"I'm infuriated … Even if they had the slightest inclination that anything inappropriate was going on it should have been reported, or at least brought to my attention," she said. "I didn't even know he was leaving the school with my child, taking him out of classes. They never told me that."

Victim 1’s mother did not learn about the severity of what allegedly happened between her son and his coach.

The boy testified that when staying in Sandusky’s basement, the coach would come down and get into bed, crawling underneath him and running his arms up and down the boy's back to "crack" it. He testified that this led to further inappropriate touching during the summer of 2005 through 2006, when he was in seventh grade. This soon led to inappropriate sexual contact, ABC News reported.

"I was horrified. I was absolutely horrified," Victim 1's mother told ABC News. "I knew some details but I didn't know that it was that, I didn't know it was that bad. It's caused a lot of nightmares, for him and I both."

The mother of Victim 1 said that her son is finally relieved that Sandusky was finally charged and that they have all been overwhelmed.

But Victim 1’s mother told ABC News that she wants justice, she said that Penn State head coach Joe Paterno should have spoken up and that he should have been fired for his silence.

As for Sandusky, she wants him locked up.

"I want justice. I want him to be locked up," she said. "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."