The Artsy Mistake Mystery. Sylvia McNicoll

puts his knitting down and takes the letter. His eyebrows crush together as he scans it. For a while after, he just stares at it, and then he looks up at us. “So you know you were safe at all times. They found a gun in the library and needed to be very cautious.”

      “Just the gun, no gunman?” Renée asks.

      “That’s right. They locked down the school because they thought whoever left it there might still be in the building. They were wrong. That person had left.”