The key point is she's 19 now, so totally responsible.
Re what I said earlier, it's worse for her than I implied. We have no consular support so they'd have to make it all the way back to the UK, or maybe Turkey if she's lucky ...
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https://www.bbc.co.uk/news/uk-47237051
> But Mr Wallace said any Britons who had gone to Syria to engage or support terrorist activities should be prepared to be questioned, investigated and potentially prosecuted if they came back to the UK.
> He said there was no consular assistance in Syria and insisted he would not be sending British officials there to rescue Ms Begum.
> "I'm not putting at risk British people's lives to go and look for terrorists or former terrorists in a failed state," he told the BBC.