Open the Box (Bob)

Summary
After Bob reveals himself to be a Federal Marshal and has you and Mark cornered, Mark orders you to open the box. When you do, time reverses itself and you find yourself and Mark back at the beginning of the museum all geared up for the heist. Though confused at first, Mark is astonished that you still have the box. You achieve the "Time Is On Our Side" ending and Mark asks you if you want to rob the museum again and obtain two boxes.