its too unbelievable to have the killer be who it is- spoiler
theres no way on earth that that girl could of done all those killings. she wouldnt of been strong enough to kill and dump and carry the bodies of the blokes. no way. how did she manage to hang that guy from the tree, how did she manage to transport the bodies to other places.
its too unbelievable and spoilt the film i think. i know she was crazy but that doesnt make her have strength beyond belief