Not necessarily. You saw how long we debated over whether this was a suicide or not. Making it look like one wouldn't have been that hard. But like you said, you don't think like other people.

[A pause, while she thinks.]

What if the wound actually was self-inflicted? If she'd been drugged, it could have been a matter of making a mistake with the dagger. There are plenty of places in that room where someone could see that happen and avoid getting blood on themselves.