No Exit by Taylor Adams 2

they’d used before, back when she’d thought he was an ally.
She approached the chair and picked up the napkin. Still
watching her, Ashley’s lip curled. It was the beginning of a
smug grin, unnoticed by Ed and Sandi.
She unfolded the napkin with numb, clumsy fingers.
IF YOU TELL THEM, I KILL THEM BOTH.