The character of Frances Neagley does not appear in the novel 'Killing Floor,' on which this season is based, but she is a recurring character in the Reacher novels.
When Reacher says that for aliases he uses the names of forgotten Vice Presidents and NY Yankee second baseman, Roscoe says if she knew that, she would have checked them (to their hotel) under Willie Randolph to the amazement and appreciation of Reacher. Randolph was the Yankees second baseman from 1976 to 1988.
This episode features Willa Fitzgerald's first career nude scene.