Solution—Affair of the Quick Deduction

Derek and Lily had a joint safe deposit box. Each morning Derek would leave a note in it advising Lily of his progress; each afternoon she would read it, and leave her own concerning plans for the getaway. Fordney secured the necessary authorization to open the box so he knew Jason’s and Lily’s plans well in advance. Simple, what?

* * * *

FOR HER OWN BREAKFAST SHE’LL PROJECT A SCHEME NOR TAKE HER TEA WITHOUT A STRATAGEM.

—Young