In the final courtroom segment, Wallace Lang is shown in either the first or second row of the gallery, switching each time the camera angle is changed. In the front row, he seems to switch with his "muscle" associate from early scenes.
Janice bends down and touches the pool of blood with her fingertips. Seconds later she screams, cries, and covers her face with both hands. When her hands are moved off her face, there's no blood left behind..