Probably.
They have admitted manslaughter. The girls seem to be demonstrating they are none too bright. I would not be surprised if they are acqiuitted of murder.
as a matter of law ( ooman rights etc etc oo made dese lors, oh lor' ! ? yeah yeah n all that ) the prosecution has to show that the accused knew that the events would lead to deff....
lots and lots of cases in capital crimes ( wot dey den ? ) that " should have known or probably knew " would suffice