Wrt the consent, didn't they both say, when interviewed by the police, that they thought the other had gain consent from the girl?
No. McDonald had sex with the victim first. We only have his word as to whether he got her consent. However, the jury appears to have accepted that she consented and was not too drunk to consent.
Both agree that the victim was asked if Evans could join in. They disagree about who did the asking but both agree that the question was asked and the victim said yes. They also both agree that the victim asked Evans to give her oral sex before they had full sex.
You can't have consensual sex with someone so drunk that they fall over in a kebab shop, lose their handbag and wake up in a puddle of urine
The Court of Appeal said a few years ago, "where the complainant has voluntarily consumed even substantial quantities of alcohol, but nevertheless remains capable of choosing whether or not to have intercourse, and in drink agrees to do so, this would not be rape". That is the test. Falling over and losing things may not mean you have lost the capacity to consent. And if she was too drunk to consent it is odd that McDonald was acquitted.
I still believe you
I keep seeing this said in relation to this case. The victim's testimony is that she has no recollection as to what happened. She has not at any point alleged that she was raped.