#ChicagoFire S6 Promo: Could it really be?

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Could it really be? After tonight's season finale of The Night Shift, aired a new promo of Chicago Fire that had something added to it. This time there was a certain photo shown. Could it really be that Casey is the one to die? 

 

Is this a real hint or are we getting played and maybe next week will show another face that could die too? Let us know what you think.

new season begins on it's new night Thursday, Sept. 28th at 10/9c on NBC.