My son(11) is asking a lot of questions regarding his biological father/wanting to meet him.

My son has been asking a lot of questions about his biological father recently. He has never met him. The bio father and I were 18 when I found out I was pregnant. He made it very clear that he wanted nothing to do with my son despite numerous attempts by me to get him involved both during and after the pregnancy. My partner has raised him as his own since he was a year old. I have always kept a neutral opinion of his bio dad when speaking of him and been honest with my son but the questions are getting harder as he's gotten older. He's curious about him and I answer everything as honestly as I can without hurting him but I can tell he wants to meet him. He's asked if he could find him and if I think he could skype him. I know he's looked at his facebook profile. I do not want him to reach out to his bio dad. His bio dad wants nothing to do with him and he's not exactly dad material. He has other kids he's ditched. I'm concerned that my son will either reach out via facebook to him without my knowledge and be rejected or he will push me to make contact with the bio dad and I will have to really lay it straight that his bio dad wants nothing to do with him. I would really like some advice if you have any. via /r/Parenting http://bit.ly/2GgFlCQ