I think she was taking pics of him in the shower, got him where she wanted him, dropped the camera (thus the ceiling shot), and took him by surprise, pulling out the knife and landing that first fatal heart shot. She landed a few more frontal stabs, and then was probably surprised when he lurched out of the shower and stumbled toward the sink. At that point, as he's leaning over coughing and spitting up blood, she attacked him from behind. TA then tried to stumble his way out of the bathroom with her right behind and still stabbing. He collapsed on the hallway floor just outside the bathroom, and she cut his throat (while he was on his back). She then begins to drag him back into the bathroom, steps on the camera that's on the floor, taking the dragging shot. Maybe he's still feebly trying to flail his arm, so she pulls out the gun, shooting him in the right temple (or just right of his eyebrow). At that point TA stops moving altogether and she finishes dragging and stuffing him back in the shower.
What a horrible death that poor guy had. I hope her butt is toast and she gets sent to death row where she belongs. I'm not a strong believer in the death penalty, but when the guilt (and atrocity of the crime) are this obvious I have no problem with it.
