The mayor is upset that the CEO killer suspect has the same eyebrows as the Totten family. She wants to know if the suspect is related to the Totten family.
It was very clever of Tracy to quickly scribble that “evidence” on the notepad, rip off the sheet he wrote on, stuff it in his pocket, and then do the pencil rub of the impressions. Don’t bother checking if it matches Roche’s handwriting. Another case solved by the great Dick Tracy!
Patten pending.