DD's friend not welcome - AIBU

[NamechangedGamechanged12]

my DD (14) has a best friend at school (same age). This girl has been suspended for her behaviour (just recently returned) She takes hard drugs at the weekends, she has had numerous sexual partners, she disappears for weekends and tells her parents she is at a friends when she's not. The teachers have even warned my DD about hanging out with her. I am not happy about my DD hanging out with her but there's nothing I can do about it at school. However I have made it clear she is not allowed to hang out with her outwith school and she is not welcome in my home. My DD thinks this is unfair as I should trust her not to do these things. I do trust her but I just don't like this girl as I know what she gets up to. If it were you in my situation would you allow them to hang out outwith school? I'm torn as my DD is upset that she can't but then she retaliates and screams and shouts at me! WWYD?

@Geamhradh I'm going to do it today after work. You obviously know a bit about it. Should I say I suspect abuse? Or just tell them everything I know? I'm terrified in case my daughter finds out it was me because she'll never trust me again, but at the same time if the girl needs help then I can't ignore it. At first I must admit I did not think about it like that, I just presumed she was off the rails and I didn't want DD involved but after reading all the responses I might be completely wrong in assuming that

Sorry only just seen this.
Just the facts as you know them is fine.

@Geamhradh thank you  @Annoymoususer that certainly puts some perspective onto it. The girl in question is currently on the phone to DD and asked to speak to me - she has asked me if I will take her to a doctors appointment on Friday. She is going to see if she can be put on the pill. Against my better judgment I have said yes. I hope it's the right decision!

Unless you are appointed that girl's legal guardian you will be able to drop her there and nothing more. She clearly needs support but you've gone from judgement to saviour in a really short time span and now you're considering taking her to the gp?

Interesting to see you've had such a huge attitude shift since you started this thread.

@CandyLeBonBon you're right. This thread has made me think twice about things from her POV. And yes all I'm going to do is take her and wait for her. I don't know if it's the right thing to do or not but I think I should try to help her if I can!? Is that not the right thing to do? She was on the phone to DD and asked me. I honestly don't know what to do or say for the best. I'm certainly not trying to be her 'saviour' but I think the girl needs an adult to try to help her. Do you think I'm wrong and I shouldn't?

I'm just trying to do the right thing even if it's not what I want to do... maybe I should've just said no and left her to it ?

@NamechangedGamechanged12

I'm just trying to do the right thing even if it's not what I want to do... maybe I should've just said no and left her to it ?

I think you should be her listening post but refrain from giving advice on matters such as her going on the pill as you don't want the wrath of her parents on your doorstep. If she opens up to you, you listen as she clearly respects you. If she says anything that you think that she is putting herself in danger or is in danger then intervene, ie going to police