I looked into this, and why the jury convicted her. NB - I'm not saying I agree with any of this, it's just what was presented.
Layla's account of the crime changed frequently. She acknowledged this and said she had concussion from the attack causing memory loss, and dyslexia, but the accounts were said to vary hugely.
Layla's demeanour was 'off', she laughed a lot during reporting and her interviews with police.
Layla said she stabbed the attackers with scissors, the scissors were found to only have her DNA on. She said her clothes were torn off; but the scissors had fabric from her clothes on. She later added that her mum had cut her dress earlier in the day as it was uncomfortable.
There was no soil or dirt on her clothing; but the area she said the attack happened was muddy.
Blood was found on Layla but didn't match any of the four suspects that Layla positively identified, or the national DNA database, so couldn't be used to ID anyone.
Her cardigan wasn't seized, and other family members of Layla's wore it before forensics examined it. It's believed her shoes were washed despite Layla saying an attacker had held one, so no evidence could be found on it.
Swain testified that her injuries were consistent with sexual assault and that the destruction of a blonde pubic hair deemed "not relevant" by the lab could have made a big difference to the case; but she wouldn't testify that the injuries couldn't have been self-inflicted.
Her medical evaluation initially said she had no reason to make this up, she had no MH issues, she didn't need to seek attention. A month after the attack, she tried to commit suicide by throwing herself into a river. She was rescued by a passerby who took her to hospital, where she grabbed used needles and tried to slit her wrists. She told the hospital psych at the time that she was motivated by anger and attention.
Layla admits her own evidence was poor, she said she felt scared and like a rabbit in the headlines and failed to answer questions correctly.
Her boyfriend at the time testified that they'd had an argument about a sandwich before she went out and he thought she'd staged the attack as a form of revenge on him. The friend that refused to give her the taxi fare testified that she'd said "If anything happens to me, you will be sorry" - although this only seems to make an appearance in his second interview, it's not in his original statement, as far as I can find out.
Layla's own legal team conceded that they "lost every point", and that their defence was structured entirely around medical evidence that without serious MH problems, she was unlikely to have inflicted those injuries on herself - a point which they lost to the prosecution, which formed the start of losing every argument.
Some of those points seem almost completely unfair, and this would put me off reporting sexual assault.
It also occurs to me that when the police "recommend" that you withdraw your case, you're pretty much forced to do so - they clearly don't believe you, at that point, and they may well collect evidence to prosecute you if you don't. That feels wrong. They incentivise you to drop cases with a horrendously low conviction rate, or you face jail yourself.
I did notice that the court transcripts have disappeared again, so I'm hoping that this is potentially being appealed? (Ched Evan's transcripts disappeared just before the new appeal was announced, too).