Other mistake: After Malloy shoots himself his hand does not drop the gun onto the table. Instead, his hand places the gun on the table then his fingers gently shoves the gun out of his hand.
Other mistake: When Paul stands up for the verdict, he's told the date and time for execution, and in his extreme close-ups we can see the hairpiece mesh tape at his sideburn hairline. (00:02:25 - 00:28:10)