What do I do about this molestation?

Recently, my sister in law told me that when she was 11 my husband, then 15 molested her. She said that he forced her to give him hand jobs saying everyone does it. What do I do?? Leave him?? Counseling? I feel disgusted and dirty around him now. I confronted him, he said it happened. Gross!!

I was molested by my dad and I would NEVER live with him or leave him ALONE with my children, If I had any. Sex offenders WILL do something again. They may feel embaressed but if they see an opportunity they WILL do it, especiallly with kids who cant defend themselfs. I get along with my dad but I have a distance relationship, where its "Hi, How are you?, Take care". I dont know if you could live with him becuase your circunstances are different. My mom left him as soon as she found out, but again, he had allready done something to me. Do what is right for your child. Dont let anything happen to your child,,....... it will come back at you,... and for what? For a man, who u KNEW had this type of history? U cant change the past and I feel bad for his sister, but u can change your child's and your future.

I don't know that you can do anything. You've confronted him, and this is between the 2 of them to work out.
Oye.....nasty.
im sorry but because it has been so long the statue of limitations on that is already in effect or its probably depending on if its been over 10 years
15 year old boys are VERY hormonal and I doubt that he is still a threat to anyone, if you feel like you can get over it I think you should see a therapist together
try counseling to possibly see if he has any tendencies remaining...

i don't have kids, but had the same situation, his step-sister was 11, he was 15... [hope he's not my ex LOL] and i wound up divorcing him, because i believe in honesty, especially in a marriage...

i would have been a LITTLE more comfortable with things if he told me, and said he was young & stupid or curious, raging hormones, whatever... rather than me finding out the way i did... AFTER we were married...

What pissed me off most was that he was kinda callous about the whole thing when it came up in discussion....

However, my MAJOR psychological ISSUE that i couldn't get over was that if he could do it to a sister who was so much younger, who was raised with him from a much younger age....

...then what could he potentially do to a son or daughter....

If you have a place to stay, get out of the situation for a while and see how you are feeling. then try to make an appointment with a counselor to see if things can be worked out..
Ok...it happend. Thats sick. He was 15...he was still young but if she was only 11 thats just disgusting. Had she been older..closer to his age that would have been different.
Does your husband admit he forced her as your sister said? This is the main issue overall. If he forced her....maybe you seriously should consider leaving him. If she did it willingly and no force was involved then well, its still wrong but not as bad.
You need to do some serious soul searching. Do you really know who your husband is? For that matter do you really know who your sister is? You are going to have to pick a side here, either way it wont be pretty.
If he really did force your sister, there is a very good chance he has or will force another 11 year old girl.
EDIT:
I just looked closer at your question and realized that it was HIS sister who he did this to. Now i am even more disgusted with this. Yes, you do need to get some sort of counseling. NOt for you but for him! Move back in with your parents for now if possible...and dont leave your baby with him.