"Don't talk to him," Marian said, focusing on Tuck instead. "Tuck, don't listen to him, he's winding you up so you'll do something dumb."
Should she pull the fire alarm?? Would that help or be worse? If she pulled it, she could also pull the knife out of her boot. She was behind the two of them and it would be so easy to shove it through the sheriff's spine.