How should my 8 year prehistoric step brother be disciplined? HELP?

Okay, yesterday I had to babysit my stepbrother and my half brother. I'm 13 by the way. My stepbrother, Logan, is 8 years mature. My half brother, Phillip, is 3 years old.

Anyways, shortly after my mom and stepfather left Logan begin misbehaving. While he was playing a game on the Nintendo Wii he began singing give or take a few penises. I told him to stop, and in response he screamed at me to "Shut the f*ck up!". I warned him that the spectator sport would be turned off if he didn't quit, but he said he didn't care and continued this behavior. So I took the controller away from him and turned the game stale. So then he began to physically fight beside his 3 year old brother. I told him to sit in the chair and examine TV, while my half brother and I sat on the couch. Logan did not listen. While his brother was lay next to the chair him Logan began to touch Phillip inappropriately and started pulling on his penis. I scream at him to stop, he didn't listen. Phillip was also telling him to let walk. So I went upstairs and called my mother, but she didn't answer her phone. When I got fund down stairs I saw Logan push Phillip onto the ground. Phillip hit his head and he started crying. I called my mom again and then she talk to Logan and told him to go in his room and not to come out. When my stepfather and mother got home Logan wasn't even contained by trouble. I later explained to my mom what went on and asked her why he wasn't in trouble. She told my stepfather to have a chat to him about it. My stepfather told Logan not to touch his brother and that he is only allowed to touch girls when he is older.

How should this be handle? My mom is really upset and was crying earlier. Logan has also touched his other brother at his indisputable mother's house like this, and also allowed him to touch him in return.

Did I do anything wrong while I was watching them that morning?
no you didn't do anything wrong and i recognize cause my brother did stuff like that all the time what you do is enjoy a long talk with him explaining what will happen if he continues this behavior and what will take place if he stops tell him he will be rewarded for his good behavior and punished for his bad behavior,hope i help xoxo,hayley
the child should not be punished , you should be for letting him listen to your grown converstions and letting him watch bad Television.
Hes just a poor child. Hee Hee!
Answers:    i love how the michael jackson guy says there should be no punishment for an older boy touching a younger boys penis...typical.
Don't worry about it. Your job as a babysitter is to preserve the kids safe while their parents aren't around. He's not your kid. As long as there's no child abuse going on, it's not your responsibility to discipline him or do anything about the situation.

However, if this is really bothering you, or you consider there might be a serious problem that the parents aren't doing anything about, the best idea would be to verbalize to an adult outside the situation (such as a teacher, counselor, priest, etc).

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