Worry not, for Jess and Philippa will explain to you how to do the perfect crime. If you don't understand it maybe it's just because you're not smart enough; not like two white, wealthy, teenage boys from the 1920's, who were certainly smarter than everyone else, definitely able to flawlessly execute perfect crime.
Sources: For the Thrill of It: Leopold, Loeb, and the Murder That Shocked Jazz Age Chicago By Simon Baatz (2008)