The truth will come out in the trial. At this point what passes for news, is no better than tabloid trash.
Of course. That's why we bother to have trials in the first place. Up to that point it's all speculation. I'm not "convinced" either.
If they find her DNA on him, or vice versa, that will pretty much seal his fate. And if the housekeeper is lying, that will be easy to determine too.
Nevertheless, given that he has a history of such actions, until that information is available, Occam's Razor suggests that he likely was at it again.