Perhaps it's a line in the film or there's a twist to it; like you wont believe how it ends. Maybe this {Saw V} is the actual ending, and like, it's the actual last Saw and Saw VI is like a prequel to the events happened on Saw V... I mean... Seriously take the time to think about it .. They already messed up the time-line's, {with III and IV happening at the same time}, that it really WOULD NOT suprise me...