mr. friedman. and saying, god, we could have a problem here. >> reporter: police launched an investigation. questioning the boys in the classes. one by one, dozens of boys said arnold and sometimes jesse gave them porn video games. one game was described by a former student. >> yeah, we talked. i remember about that. it is kind of like twister, where we would have to sit down our [ bleep ] would be in the air, arnold and jesse would leap from one person to another. sticking their [ bleep ] each in their [ bleep ]. >> as we conducted more interviews of the children, jesse's name popped up. later we were able to understand that jesse's role was not one of helping his dad conduct the computer class, but basically abusing the children himself. >> reporter: five months into the investigation, arnold friedman pled guilty. >> one count, in full satisfaction of this indictment? >> yes. >> reporter: not only that, he confided to his wife he had abused boys in the past. >> we were sitting in the therapy offi

mr. friedman.in there and saying, god, we could have a problem here. >> reporter: police launched an investigation. questioning the boys in the classes. one by one, dozens of boys said arnold and sometimes jesse gave them porn video games. one game was described by a former student. >> yeah, we talked. i remember about that. it is kind of like twister, where we would have to sit down our [ bleep ] would be in the air, arnold and jesse would leap from one person to another. sticking their [ bleep ] each in their [ bleep ]. >> as we conducted more interviews of the children, jesse's name popped up. later we were able to understand that jesse's role was not one of helping his dad conduct the computer class, but basically abusing the children himself. >> reporter: five months into the investigation, arnold friedman pled guilty. >> one count, in full satisfaction of this indictment? >> yes. >> reporter: not only that, he confided to his wife he had abused boys in the past. >> we were sitting in the ther