When I first saw this thread had resurfaced I was thinking she had passed away.
I’ve seen arguments from both sides on here but why not proceed with a “trial in absentia”? I know this is a unique one but let’s say she’s found guilty and given a 20 year custodial sentence for Terrorism charges (as we all know that’s 10 years in reality), wether she’d be as keen to return home knowing she’s doing porridge for a good few years.
1) There's nothing obvious to charge her with given she was a child at the time and the government would be too scared she got found not guilty and that garnered her more support.
2) Article 6 of ECHR (right to a fair trial) makes trials in absentia very difficult to justify.
3) A British prison is infinitely prefarable to being in a North Syrian refugee camp.